Raypak Natural Gas Pool Heater, 332,000 BTU, Copper, ASME | 017373 Martillo Commonly replaced during heater rebuilds

Commonly replaced during heater rebuilds or when diagnosing overheating and flow-related performance issues

dedicated passage for vent connections through attic spaces

Designed to seat securely on the skimmer throat and resist movement during operation

Durability: Built to withstand pool chemicals and daily use

this model enhances heat distribution while producing strong sear marks and improved flavor retention

Raypak Natural Gas Pool Heater, 332,000 BTU, Copper, ASME | 017373 Martillo Commonly replaced during heater rebuildsRaypak B R336A EN C #50 332,000 BTU Natural Gas Copper Heater The Raypak B R336A EN C #50 is a 332,000 BTU natural gas pool and spa heater engineered for high performance heating in residential and light commercial applications. Designed for medium to large pools, this model provides fast heat up and consistent temperature control using a copper fin tube heat exchanger. Built within Raypaks Professional Series, this heater features durable