PR406AENC 399,000 BTUs Pool and Spa Digital Copper Heater - Natural Gas BTUs_350k-399k This 1/4 inch thick o-ring

This 1/4 inch thick o-ring measures 7

It is a replacement and equal to Pentair TR140-C3

This item is designed to fit Raypak pool heater models such as the P334

The assembly includes: Post Locking Wedge

PR406AENC 399,000 BTUs Pool and Spa Digital Copper Heater - Natural Gas BTUs_350k-399k This 1/4 inch thick o-ringThis Raypak PR406AENC Digital Pool and Spa Heater is 399,000 BTUs, is fueled by natural gas, and has polymer headers and copper fin tubes. These digital heaters now feature ProTek Shield, a cutting edge module that protects the heat exchanger and extends the heater's lifespan. ProTek is excellent for use in chlorinated and saltwater pools. ProTek Shield is engineered to withstand the corrosion that naturally occurs over time. When the ProTek Shield is