Hayward W3H250FDN 250K BTU Low NOx Universal H-Series Natural Gas Heater Praher E-4-S1 ABS 1-0

Praher E-4-S1 ABS 1-0

No punctures

Its form factor is 8

silent operation

Pentair 51016200Z #2-152 Buna-N 70 Shore O-Ring

Hayward W3H250FDN 250K BTU Low NOx Universal H-Series Natural Gas Heater Praher E-4-S1 ABS 1-0The Hayward H Series W3H250FDN Natural Gas Pool and Spa Heater is environmentally friendly and energy efficient. Boasting an industry leading 84 percent thermal efficiency the environmentally friendly H Series complies with all current California and Texas air quality emission standards. It is also the only pool heater to offer Cupro Nickel heat exchangers standard on all models. Cupro Nickel is designed to withstand the harshest pool environments