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Hayward Pool Heaters


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A look at the pool heaters available from this well known manufacturer. For more information please visit

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Hayward Pool Heaters

  1. 1. Hayward Pool HeatersHayward pool heaters are manufactured by Hayward Pool Products, adivision of Hayward Industries, Inc., who have been manufacturing poolequipment for over 80 years. They have become one of the largestmanufacturers of pool products and their catalogue includes filters,pumps, automatic cleaners, lights and, of course, pool heaters. The factthat they have been around so long shows that pool owners like theirproducts.Their range of pool heaters is as follows:High powered heaters for in-ground poolsThe Universal H Series - A series of gas powered pool heaters using eitherpropane or natural gas. Power levels range from 150K to 400K BTU/hr.The key benefit of these heaters is that they are energy efficient (84%)and produce emissions of NOx low enough to meet the most demandinglocal requirements including those of California and Texas. The UniversalH Series heaters have electronic ignition and are controlled via a digitalLED control panel. They are designed for easy installation, for example theconnections can be made left or right.H Series Millivolt - Again a range of heaters powered by either natural gasor propane. The available power levels range from 150 - 250k BTU/hr withthe Hayward H250 being the most popular. Their energy efficiency is 81%and there is no claim as to low NOx. Ignition is via a standing pilot lightwhich is also used to produce a tiny volume of electricity to support theheater. The advantage of millivolt heaters is that there is no need for anelectrical connection so they are more flexible as regards location.Which is the best choice? - The Universal H Series would be the bestchoice except in the situation where connecting the heater to an electricitysupply is difficult. In this case the H Series Millivolt provides a goodalternative.Hayward above ground pool heatersAbove Ground H Series - Here we have a 100k BTU gas heater (no otherpower level options) for use with either propane or natural gas. Electronicignition is powered by a standard plugin electrical connection. Energyefficiency is 81%. Induced draft system means the heater is not affectedby wind so it can be located where it is needed.Hayward Heat Pump - A range of heat pumps from 50 - 125 BTU/hr. Theadvantage of a heat pump is that, rather than generate heat, it "pumps"heat from the surrounding air into the water. This results in very highenergy efficiency and makes heat pumps environmentally friendly. As aresult the energy output (heat) is greater than the energy input(electricity - 30amp supply required). Heat pumps are therefore muchcheaper to run than a gas heater, however, they cost considerably moreto buy. The 50k BTU version can heat a pool up to 13,000 gallons.
  2. 2. Which to choose - This is not as easy a decision as with in-ground pools..The heat pump is cheaper to run but costs more to buy. If you buy therecommended model for your pool size a gas heater will provide fasterheating. If you are going to heat the pool constantly during the seasonthen a heat pump will be best. On the other hand if you only heat itoccasionally it will be best to go for a gas heater.Generally you are well advised to go for a higher capacity heater than youneed. If you match you requirements correctly any of the Hayward poolheaters will provide years of good service.