Raypak B-R406A Digital ASME Natural Gas Heater, 399K BTU, Cupro-Nickel Exchanger, Bronze Headers, ProTek Shield Module | 017402Product Overview The Raypak B R406A Digital ASME Natural Gas Heater 017402 is a high capacity pool and spa heater built for powerful heating performance, digital operation, and heavy duty ASME rated construction. With a 399,000 BTU natural gas heating capacity, this model is designed for larger commercial pools, spas, facility pools, and residential applications where ASME construction is required. This heater features a cupro nickel heat exchanger,

Ceramic stationary seat

Always inspect related seals

Jandy ePump JEP variable-speed pumps

Q: Will this fit my Pentair MasterTemp heater

Natural gas or propane MasterTemp 125 heater service

a 3/4" NPT gas connection

helping support longer cleaning intervals and consistent filtration performance when properly sized for the pool system

This is a millivolt standing pilot heater with a mechanical thermostat

Ensures safe and efficient chlorine generation

For pool owners looking for a modern Hayward robotic cleaner for in-ground or above-ground pools

It does not include the complete pump body or wet end

This system may be used on properly maintained plaster