B-R337A-ENC 333,000 BTUs Low NOx Pool and Spa Digital Heater - Natural Gas - Curpo-Nickel - Salt Water - ASME Certified Serial Number This is a Large Wall

This is a Large Wall Fitting for Vinyl Pools

Breather Tube Assembly

The alarm is equipped with an adult pass-through feature that allows adults to go through the door without triggering the alarm

4 1/4" Lock Nuts

B-R337A-ENC 333,000 BTUs Low NOx Pool and Spa Digital Heater - Natural Gas - Curpo-Nickel - Salt Water - ASME Certified Serial Number This is a Large WallThis Raypak B R337A ENC Digital Low NOx Pool and Spa Heater is 333,000 BTUs, is fueled by natural gas, and features bronze headers, Cupro Nickel fin tube heat exchangers, and is ASME certified. Outdoor hoods come standard with these units. These ASME heaters are salt water friendly and are for residential or commercial installations up to 5,000 feet. Raypak's Low Emissions units are Low NOx certified. The air fuel mixture is maintained by a gas valve