Lo on hayward pool heater

HI, I have a Hayward Pool Heater Lo Hox (I think the name) it is about 40,000 BTU natural gas 240 Volt. Blower moter in side. It has ran great for the past 6 or so years. Last fall I was in the pool h … read more

>Pool Supply Unlimited has parts for Hayward Universal H-Series Low NOx Induced Draft Pool & Spa Heater | 400,000 BTU | Natural Gas | H400FDN. ... Hayward Heater Display Board H-Series Low NOx Models | IDXL2DB1930. ... ayudarle a diagnosticar los problemas de su equipo y escuchar acerca de cómo podemos mejorar y todo lo que está en su mente ...Our network of certified personnel can help you build your pool, recommend a product, repair a faulty product, and test your water. Find a professional near you. Hayward offers environmentally responsible, cutting-edge pool and spa equipment for residential and commercial, in-ground and above-ground pools.Hayward Universal HC-Series pool heaters are the most compact heating solution available. They require 40% less pad space than competitive units, allowing you to enjoy more of your backyard. All Hayward gas heaters utilize a cupro-nickel heat exchanger for value, performance, and reliability. In addition, they offer excellent salt water and ...H-Series ED2 Heater. Original Hayward part. Learn More. Add to Cart. Wishlist. Compare. Hayward HAXCPA3253 Control Panel Assembly for H250ED2. $625.99.The Hayward heater LO code indicates a fault in the temperature limit switch, vent pressure switch, or water pressure switch. To fix it, ensure the pump is on, is wired and connected well, the water flow is above …First, check the power source. Make sure the heater is properly plugged in and that the circuit breaker or fuse hasn't tripped. Next, check the water flow. A low water flow can cause the heater to overheat and shut down. Check the pool pump and filter for any clogs or debris that could be restricting water flow.According to the H-Series pool heater owner's manual by Hayward, cleaning your heater filters is one of the most important steps you can take. That is to say, regularly cleaning these filters will lead to a longer lasting and better working pool heater. 1. Remove Filter Cover or Gain Access.

HeatPro In Ground Heat Pump, 140,000 BTUs, Square Platform. Hayward has an advanced lineup of gas heat and electric heat and heat+chill solutions to deliver the ultimate control of your water temperature.This video is a proper way to start a Hayward gas heater for the first time and or to shut the heater down for the season First and foremost, make sure you have power to the heater. Secondly, make sure the gas valve is open.Aug 20, 2020 ... Here I go over some of the most common problems that affect these Hayward, formerly Summit Heat pump or thermopump pool heaters.Page 40 Heat Pump Pool / Spa Heater Owner's Manual Notes:... Page 41 Notes:... Page 42 1. Fill out the reverse side of this card. 2. Cut card along the edges and drop it in the mail to us. ALONG EDGES Hayward Pool Products 1 Hayward Industrial Drive Clemmons, NC 27012 ATTN: HEAT PUMP WARRANTY DEPT.Availability: In Stock. $177.99. Add to Cart. Hayward - IDXMOD1930 Ignition Control Module for H-Series Above Ground Pool Heater. SKU: 615033. Details: Hayward IDXMOD1930 Ignition Control Module for H-Series H100ID1 and H100IDP1 Above Ground Pool Heaters. Availability: In Stock. $499.99. Add to Cart.These Hayward pool heater troubleshooting codes and explanations will help you fix the problem. Skip to content ☏ Click to call: 407-786-0000. Services Menu Toggle. Pool Heat Pump Repair Menu Toggle. Schedule Your Repair; Pool Heater Troubleshooting Menu Toggle.H250FDNASME, H250FDPASME, H400FDNASME, and H400FDPASME. H135ID1, and H135IDP1. Water Pressure Switch Replacement Procedure. FDXLWPS1930 for Universal H-Series (Forced-Draft) Heaters. This kit is intended to be used only with Hayward Universal H-Series (forced-draft) gas heater models. These heaters may be.

Replacement Parts. Hayward Electric 5.5kW Spa Heater 240V. Replacement Parts. Hayward H-Series 100K BTU Heater Natural Gas. Replacement Parts. Hayward Universal ASME. H-Series 250K BTU Heater Propane. Replacement Parts. Hayward Universal ASME H-Series 400K BTU Heater Natural Gas.Buy a Hayward W3H250FDP Universal H-Series H250 Low NOx Pool Heater, 250,000 BTU, Propane Gas at The Pool Supplies Superstore. FREE Shipping. ... Hayward H-series Pool Heater provides an energy-efficient and environmentally responsible low NOx performance solution for pools and spas!Verify the pump is running & adequate water is flowing through heater. "LO" is NORMAL when the pump is turned off or there is and place it on the terminal with the white wire on the gas valve, then Go To Step 11C. 44; Hayward HDF400 | Universal HC Series Heater Troubleshooting Guide - Page 45 11.Cleaning the burners on your Hayward pool heater is essential for keeping it running smoothly. Follow these simple steps to get the job done: Step 1: Turn off the pool heater and disconnect the gas supply. Allow the unit to cool down before proceeding. Step 2: Remove the front panel of the heater to access the burners.

Entrust immediate care memorial.

Apr 22, 2020 ... How-To Operate a Hayward H-Series Pool Heater ... Hayward Heater on LO. B&L Pools•46K views · 1 ... Hayward Pool Heater (W3H250FDP Universal H- ...Use the “Mode” key to change your heater’s settings. Select the “Standby” Option and put the heater on it. Press the remote’s “Down” key and hold it and then press the Mode key and hold it simultaneously. For 3 seconds, hold down both the “Down” and “Mode” keys as long as the “bo” code doesn’t remove from your ...I have an older swimming pool heater a Hayward H400 PED2 that fires up just fine but will shut down in about 2 minutes. When I switch the mode to standby and back to spa the same thing happens. ... Lo code has new thermostat ,bypass valve filter clean i think it is running hot the gas pipe going into the gas valve very hot to touch .jumped the ...by Mikadum Rahman Fida. The Hayward Pool Heater SF Code is a safety feature that prevents the pool heater from over-heating. The code stands for "Safety Fault" and is displayed when the temperature in the heater exceeds 110 degrees Fahrenheit (43°C). It will shut off power to the pool heater until it can cool down to a safe temperature.

Hayward Commercial Pool's Universal H-Series ASME gas heaters are designed and certified for commercial use. The flagship of our H-Series line encompasses high-end features and construction materials as standard.When ordering parts, include the complete pool heater model number listed on the unit's rating plate, located near the junction boxes on the exhaust side of the heater. (Example: HDF400) All ser- vice must be performed by a qualified technician. View and Download Hayward HDF400 installation & operation manual online.>Pool Supply Unlimited has some of the best prices when shopping for Hayward Universal H-Series Low NOx Induced Draft Pool & Spa Heater | 150,000 BTU | Propane | W3H150FDP ... All Hayward heat exchangers are now constructed with highly resilient Cupro Nickel for greater durability and longevity even in salt-based, high flow or aggressive water ...The Hayward heater LO code indicates a fault in the temperature limit switch, vent pressure switch, or water pressure switch. To fix it, ensure the pump is on, is wired and connected well, the water flow is above the required minimum pressure, the filters are clean.Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. ... Determine your pool heating requirements and heater size for your pool. Learn More. NEWSPLASH. Be the first to know. Email [email protected] to get notified. Learn More. CONTACT US. Telephone: +1 (480 ...Jun 7, 2020 ... Diagnosis of common problems on a Hayward pool heater.Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp ; Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp ; Weight 4 poundsIf you're looking for help fixing your Hayward Pool Heaters, look no further! Our comprehensive Hayward Pool Heaters repair guide will explain common issues,...Solution: In this case, you need to clean the dirty filter to solve it. If still it is not solved, then clean the pressure switch. 3. The Ignitor Issue. Sometimes, the Hayward pool heater ignites and runs for about 15 seconds and turns off, then it reignites and does the same thing again. Also, sometimes the flame lights, and then 1-2 seconds ...Problem Possible Cause Possible Solution; Heater cycles on & off: 1. Filter or pump baskets are dirty. 2. External bypass is out of adjustment. 3. Internal bypass is broken or stuck.

View and Download Hayward H150 installation, operation and service manual online. H150 swimming pool heater pdf manual download. Also for: H250, H200, H300, H350, H400, H210.

Lo-Nox. Before purchasing a heater, a pool owner should become more acquainted with their state health and safety codes. Lo-Nox heaters are a more environmentally safe way to heat your pool. ... I am looking to replace our heater. We had a Hayward (either 150 BTU or 200 BTU) heater that heated our 18 foot round above …Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp ; Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp ; Weight 5.9 pounds ; Customer ratings by feature . Easy to install . 4.4 4.4 .Making repairs to pool heaters should be performed by qualified personnel. Gas pool heaters using Natural Gas or LP (Liquid Propane) gas can be hazardous by combustion or exhaust of the pool heater. Hayward pool equipment had created the Pool heater FAQ below to help the pool owner with pool heater repairs and pool heater troubleshooting.Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. ... Determine your pool heating requirements and heater size for your pool. Learn More. NEWSPLASH. Be the first to know. Email [email protected] to get notified. Learn More. CONTACT US. Telephone: +1 …Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. Gain insight. ... Phase Heaters: 1.0000: Pool Type: In Ground: Product Dimensions: 24 " x 40 " x 29.5 "Product Height: 24 in: Product Length: 29.5 in: Product Weight: 245 lb: Product Width: 40 in:Follow the included steps to place the heater in bypass mode for external control. Step 1. Press the ‘MENU ICON’ button to place the heater in ‘STANDBY’ mode. Step. The ‘SPA’ … The Hayward Universal H-Series gas heater is one of the most energy-efficient Pool and Spa heating solutions on the market! Its ground-breaking hydraulic design reduces pump circulation run time, giving you an energy savings of up to 18%! This unit is perfect for the environmentally conscious Pool and Spa owner thanks to its Low NOx capabilities. When your Hayward pool heater flashes the 'bo code', it's signaling that there's an issue with the bypass operation. Here's a strategic approach to get your heater back to optimal functionality. Reset the Heater: Turn off the heater and the circuit breaker for 30 seconds. Power up the system again to see if the 'bo code' persists.Models manufactured before Sept. 2010: measure across pins 1-2 (black & red), then 3-4 (white & blue) for 8-9 ohms. Models after Sept. 2010: measure for 4-5 ohms across the two terminal with wires. IF out-of-range, replace blower (pg. 20). IF correct, contact technical support (908)355-7995.4. 5. Explore Hayward's pool parts and accessories for maintenance and upgrades. Find high-quality replacements, equipment, and supplies to enhance your pool experience.

Ayr liberty health.

Yamato japanese steakhouse taunton menu.

Hayward's Universal H-Series heaters represent innovative heating technology for pools and spas. Its hydraulic performance also saves energy by reducing the circulation time of the pump. It can raise the temperature of an 800 gallon pool 30 degrees in less than an hour you'll feel the benefits the moment you step into the water.I have a Hayward H250 Natural Gas Inground Pool Heater that I bought 4 years ago. The burners fire up but the temperature won't go beyond 69 degrees. The ambient water temperature is 68 degrees. the t …While all Hayward H-Series heaters are energy-efficient, the Universal H-Series 400 Low NOx heater has an 83-84 percent industry-leading thermal efficiency. ... Hayward Universal H Series Low NOx 400,000 BTU Natural Gas Swimming Pool Heater Product Code: W3H400FDN Maximum Altitude: 10,000 FT BTU Rating: 400,000 BTUs Heater Type: Natural Gas ...Hayward Pool & Spa Heaters. 4 RESULTS. Hayward Universal H-Series Low NOx Induced Draft Residential Pool & Spa Heaters. Hayward Universal HC-Series Dual Fuel Technology Pool & Spa Heaters. Hayward H-Series Cupro-Nickel Heat Exchanger Above Ground Pool & Spa Heaters. Hayward Heater Tops & Vents for Indoor or Outdoor Use.Availability: In Stock. $177.99. Add to Cart. Hayward - IDXMOD1930 Ignition Control Module for H-Series Above Ground Pool Heater. SKU: 615033. Details: Hayward IDXMOD1930 Ignition Control Module for H-Series H100ID1 and H100IDP1 Above Ground Pool Heaters. Availability: In Stock. $499.99. Add to Cart.POOL HEATER TEMPERATURE 🔐 UNLOCK !!! HAYWARD ,may work for different models,Pool heaters work very straightforwardly: they generate heat to raise the water temperature. As long as they have a reliable water supply, the heater will not overheat. That’s why your unit will display the LO code when there’s something wrong with the water supply. The LO code signifies that there’s a low water pressure condition. […]Stumbling upon a 'LO' code on your Hayward heater can be quite the head-scratcher. Don't worry, you're about to unravel the mystery behind this cryptic message. This code typically indicates a water temperature sensor error, but it can also be a sign of other underlying issues with your pool heater. In this article, you'll learn the steps to diagnose …Hayward Pool Product Registration. Register your Hayward equipment now to receive a 90 day extended warranty, expert advice, rebate offers & more!*. June 30, 2023 NOTICE: Any applicable warranty coverage for a product shall not commence prior to the delivery date of that product notwithstanding anything stated elsewhere to the contrary.The Hayward H-Series Gas Heater Electronic 400K BTU Natural Gas W3H400FDN (also known as H400FDN) combines industry-leading hydraulic performance; environmentally responsible low NOx emissions and a standard cupro nickel heat exchanger with a low profile appearance, lighter weight design, independent left or right side electric, water and gas connections plus 2" x 2 1/2" CPVC union connections ...How to turn on a Hayward H series Heater#blpools#hayward#heater ….

Apr 12, 2020 ... How to start/light a Hayward Universal H-Series heater at the control panel on the heater.Making repairs to pool heaters should be performed by qualified personnel. Gas pool heaters using Natural Gas or LP (Liquid Propane) gas can be hazardous by combustion or exhaust of the pool heater. Hayward pool equipment had created the Pool heater FAQ below to help the pool owner with pool heater repairs and pool heater troubleshooting.The H-Series pool heater from Hayward reduces the circulation time of the pump and can raise the temperature of an 800 gallon pool by 30 degrees Fahrenheit in less than an hour. Sort By: Hayward Natural Gas Pool Heater 100K BTU H100ID1. Get the Hayward Natural Gas Pool Heater H100ID1 and other swimming pool heaters for less at Pool Express ...Find helpful customer reviews and review ratings for Hayward H250FDN Universal H-Series 250,000 BTU Pool and Spa Heater, Natural Gas, Low Nox at Amazon.com. Read honest and unbiased product reviews from our users.Hayward Universal H-Series Low NOx Induced Draft Pool & Spa Heater | 250,000 BTU | Propane | W3H250FDP. The Hayward Universal H-Series gas heater is the "universal" energy efficient remedy for any new or existing pool or spa. An industry leading hydraulic design reduces circulation pump run time to provide energy savings of up to 18% when ...Pool and Spa. Questions about pool repair? Ask an Expert online. Connect one-on-one with {0} who will answer your questionI cannot get the pilot light to ignite on my h400fdp hayward pool heater ... I'm ***** ***** and my pool heater is throwing the LO code. The pump is running and the heater worked for a couple hours then switched to LO. I stop/resume on the pump control panel and it starting "p ...303. 159K views 5 years ago. Are you experiencing a LO code on your Hayward H-Series pool heater? If so, give this video a watch for a few basic tips on how to work through the issue...Jul 25, 2017 · Available in 150,000, 200,000, 250, 000, and 400,000 BTUs, the Universal H-Series heater can raise the temperature of an 800-gallon pool 30 degrees in less than an hour—you’ll feel the benefits the moment you step into the water. The Hayward Universal H-Series Low NOx can be added to inground pool kits sold by Pool Warehouse! Best Selling. Hayward W3H250FDN Universal H-Series Natural Gas Pool Heater. (1) $3,179.00 New. Hayward HeatPro W3HP21404T 140,000BTU In Ground Heat Pump. $5,299.00 New. Hayward H-Series 135,000 BTU Above Ground Pool Heater - (W3H135FDP) $89.50 New. Hayward W3H400FDP Universal H-series Low NOX 400k BTU Pool and Spa Heater. Lo on hayward pool heater, With a little effort and knowledge, you can get your Hayward pool heater back up and running in no time. Also see: Hayward Heater LO Code Fixes. Or if you are in need of a new heater, check out these new models: Hayward W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas ., I have Hayward H150FDN Universal H-Series, Low NOx, 150,000 BTU, Natural Gas, Pool and Spa Heater and I am getting a LO code with is a flow problem. I have my intermatic timer set for 755am to turn on and give my equipment power, then at 8am the Hayward pump turn on. Can the heater be on..., The Universal H-Series Low NOx heater has an 84 percent industry-leading thermal efficiency and complies with all current California air quality emission standards. The low NOx emission makes it a perfect choice for the environmentally concerned pool owner. Enjoy a warmer pool this season without your fuel costs skyrocketing., The Hayward Universal H-Series gas heater is one of the most energy-efficient Pool and Spa heating solutions on the market! Its ground-breaking hydraulic design reduces pump circulation run time, giving you an energy savings of up to 18%! This unit is perfect for the environmentally conscious Pool and Spa owner thanks to its Low NOx capabilities. , Pool heater question. This is a raypak pool heater manifold. Have a water sw open code. Where’s the switch. There two sets of wires running to probes. Ones a thermometer and the other is this little brass plug with two terminals coming off it. I’ve removed it and it’s not a switch. Thoughts ?, Hayward H-Series heater for above ground pools and spas combines reliable technology with ease of operation and superior performance. H-Series heaters boast industry-leading hydraulic performance coupled with a 135,000 BTU rating for faster speed-to-heat capability. Their intuitive electronic panel is also quick and easy to operate, so pool ..., Hayward H400FDP Pdf User Manuals. View online or download Hayward H400FDP Owner's Manual, Troubleshooting Manual ... POOL AND SPA/HOT TUB HEATERS. Brand: Hayward | Category: Heater ... LO" Code. 46. Pressure Switch Adjustment. 49. IF" Code. 52. AC" Code. 57. AO" Code. 58. Heat Exchanger: Flow Requirements. 61., The tech did the install and ran the heater only for a few minutes to check for ignition and stuff. He had done some other plumbing work so he didn't want to run in too long, or the pool pump either, so that the PVC glue really had some time to cure. The heater is a 400,000 BTU Hayward Universal HC Series Model HDF400 Pool Heater., Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. Gain insight. ... Phase Heaters: 1.0000: Platform: Square: Pool Type: In Ground: Product Dimensions: 44 " x 30.5 " x 33.6 "Product Height: 44 in: Product Length: 33.6 in: Product Weight: 280 lb:, Step 4: Disconnect Blower connector from the Control Module.Set the heater to the Pool or Spa setting. To generate a call for heat, lower the set point temperature. Step 5: Measure 120VAC along pins 1 and 2 during the pre-purge period., cannot get hayward pool heater to heat past 80 degrees. it shuts off once it reaches 80. and I cannot even raise the temp on the panel past 80 ... HI, I have a Hayward Pool Heater Lo Hox (I think the name) it is about 40,000 BTU natural gas 240 Volt. Blower moter in side. It has ran great for the past 6 or so years., HeatPro Variable-Speed Heat-Cool Pump 120k BTU. Heating swimming pools is a wise investment as it increases its value and extends the swimming season. So to graduate to a higher degree of comfort and control, choose a Hayward heating solution., What model number is ***** Hayward pool heater? Give me a secound. Contractor's Assistant: When did you first notice the 'LO' indicator light coming on? Day one. ... Replaced Hayward 400 with new H400FD pool heater. I'm getting a LO alarm before reaching 104 degrees. And a HS alarm. Local techs can't find the problem., Below is the troubleshooting guide for Hayward pool heater error codes. Error codes show up on the digital screen of the H-Series H150, H200, H250, H300, H350, and H400 gas …, Best Overall, Electric: FibroPool Swimming Pool Heat Pump at Amazon ($2,200) Jump to Review. Best Overall, Gas: Raypak Digital Low NOx Natural Gas 266,000 BTU Pool Heater at Amazon ($2,999) Jump to Review. Best Propane: Hayward Universal H-Series at Amazon ($3,999) Jump to Review., For warranty service simply call the Hayward technical service department at 908-355-7995 (Monday - Friday, 8:00 am - 5:00 pm). The Hayward chlorinators are backed by the best warranty in the industry. All Aqua Rite® and Aqua Trol® systems have a 3 year limited warranty. While the Aqua Logic® system also has a 3 year limited warranty,, by Mikadum Rahman Fida. The Hayward Pool Heater SF Code is a safety feature that prevents the pool heater from over-heating. The code stands for "Safety Fault" and is displayed when the temperature in the heater exceeds 110 degrees Fahrenheit (43°C). It will shut off power to the pool heater until it can cool down to a safe temperature., Hayward Pool Product Registration. Register your Hayward equipment now to receive a 90 day extended warranty, expert advice, rebate offers & more!*. June 30, 2023 NOTICE: Any applicable warranty coverage for a product shall not commence prior to the delivery date of that product notwithstanding anything stated elsewhere to the contrary., The Lo on a Hayward heater means "low." When the Lo setting is selected, the heater runs at a lower speed, which can help conserve energy. In some cases, the Lo setting may indicate a malfunction or another issue with the heater. If you notice your Hayward heater displaying an LO code, it is important to check the manual or contact customer ..., Professional Assistance: If you have followed these steps and the IF code persists, it is recommended to contact a professional technician who specializes in pool heater repairs. They have the expertise to diagnose and resolve complex issues and ensure your heater is functioning properly. Hayward Pool Heater LO Code What Does The LO Code Mean?, 200K BTU. 250K BTU. 400K BTU. Select Gas. Natural Gas. Propane Gas. 1 year warranty. Hayward H-series Pool Heater provides an energy-efficient and environmentally responsible low NOx performance solution for pools and spas! Cupronickel Heat Exchanger with Totally Managed Flow provides exceptional corrosion resistance and erosion protection., The Hayward heater LO code indicates a fault in the temperature limit switch, vent pressure switch, or water pressure switch. To fix it, ensure the pump is on, is wired and connected well, the water flow is above …, Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. ... Determine your pool heating requirements and heater size for your pool. Learn More. NEWSPLASH. Be the first to know. Email [email protected] to get notified. Learn More. CONTACT US. Telephone: +1 …, Hayward 400K BTU Pool Heater Review. November 14, 2023 by sunny. Step into a world of poolside luxury and endless relaxation with the Hayward Universal H-Series 400,000 BTU Natural Gas Pool & Spa Heater. Dive into a review where reliability meets unparalleled performance, offering you the ultimate comfort for pools and spas up to 1,200 sq. ft., Buy a Hayward W3H200FDN Universal H-Series H200 Low NOx Pool Heater, 200,000 BTU, Natural Gas at The Pool Supplies Superstore. FREE Shipping. ... Hayward H-series Pool Heater provides an energy-efficient and environmentally responsible low NOx performance solution for pools and spas!, Availability: In Stock. $129.99. Add to Cart. #16. Hayward - IDXMOD1930 Ignition Control Module for H-Series Above Ground Pool Heater. SKU: 615033. Details: Hayward IDXMOD1930 Ignition Control Module for H-Series H100ID1 and H100IDP1 Above Ground Pool Heaters. Availability: In Stock. $499.99., 4.8K views 2 years ago. My pool heater would not fire and was showing the LO (low flow) code. This shows where the adjustment knob is on the pressure switch and insight into …, The SF code on your Hayward heater's display stands for "Stack Flue Sensor Failure.". This code indicates that there's a problem with the sensor responsible for monitoring the flue gases in your heater. Flue gases are the byproducts of combustion, and monitoring them is crucial for safety reasons. Common Causes of SF Code., HeatPro Variable-Speed Heat-Cool Pump 120k BTU. Heating swimming pools is a wise investment as it increases its value and extends the swimming season. So to graduate to a higher degree of comfort and control, choose a Hayward heating solution., So the H250 with an input of 250,000 BTU’s actually puts 210,000 BTU’s into the water per hour. Discounting heat loss (which there is always some) if you are using a Hayward gas heaters to heat the 18,000 gallon pool we have discussed above you will need: 22.58 therms of natural gas. 24.75 gallons of propane., Pentair 42002-0024S Pool Heater Pressure Switch: This pressure switch is specifically designed for Pentair pool heaters, but can also be used in other pool heaters that require a 2 PSI switch. Len Gordon 800120-1 Pressure Switch : This pressure switch is a direct replacement for Len Gordon pressure switches and is compatible with most pool heaters., 400,000 BTU heating capacity. Fits directly against walls, fences, or other equipment. Competitive heaters require 6–12" wall clearance. Ultra-compact frame for easy drop-in replacement. Dual-fuel tech switches between natural gas and liquid propane. Allows for in-field conversion with a quarter-turn., Was: $3,903.99. Quantity: Select all. Add selected to cart. Description. 0 Reviews. This Hayward W3HP21404T HeatPro Heat Pump 140K BTU (also known as HP21404T) is Hayward's most powerful Pool Heat Pump with 140,000 BTU of heating power! You can't get a more powerful pool heater from Hayward or from anyone else!