Hayward H100ID1 H-Series 100,000 BTU Above Ground Pool & Spa Heater, Natural Gas. Roll over . Hayward H100ID1 H-Series 100,000 BTU Above Ground Pool & Spa Heater, Natural Gas, Low Nox . Super Pro 80960BU Pool Spa Filter Water Pressure Gauge, 0-60 PSI, Bottom Special offers and product promotions. Results 1 - 24 of 94 - 1-24 of 94 results for Patio, Lawn & Garden : Pools, Hot Tubs & Supplies : Heaters & Accessories : Pool Heaters : Natural Gas. Raypak 266,000 BTU Digital Electronic Ignition Natural Gas Pool Heater. . Jandy Pro Series JXi 400K BTU Low-NOx Natural Gas Swimming Pool and Spa Heater . Heating times will vary a bit from heater to heater but using Hayward's H100 model as . While gas heaters for above ground pools are relatively inexpensive to . Intex Solar Mat Above Ground Swimming Pool Water Heater, Black 28685E H100ID1 100,000 BTU Natural Gas Above Ground Swimming Pool/Spa Heater. Hayward H-Series 150,000 BTU In-Ground Natural Gas Pool Heater. Model# H150FDN. ,646 . Blue Wave SolarCurve Solar Heater for Above Ground Pools. Above ground pool heaters are a great way to warm your pool water to the perfect . Most heaters for above ground swimming pools are gas or propane. . Raypak is the quality choice for electric spa heaters Raypak is the definition of dependable, tro. . Sign up to receive special offers and promotions from PoolExpress. Prior to purchasing a pool heater, it's a good idea for pool owners to have a basic . Gas pool heaters can be the best choice for heating above ground pools in . Gas-fired pool heaters remain the most popular system for heating swimming pools. . As the pump circulates the pool's water, the water drawn from the pool . sizing analysis for your specific swimming pool to determine pool heater size. The condenser transfers the heat from the hot gas to the cooler pool water . sizing analysis for your specific swimming pool to determine pool heater size. Swimming pool gas heater reviews, sizing & buyers guide to help you pick the best . Salt water pools have salt levels around six times higher than traditional chlorine . Pool equipment needs to be installed in a specific order which is pump, filter, not make it a good idea, even if it is the cheapest way to heat your pool.