Sta-Rite Max-E-Therm 400 HD High Performance Heater, Natural Gas, 400K BTU, 120/240 VAC, 60 Hz, 127 lbs | SR400HDProduct Overview The Sta Rite Max E Therm SR400HD is a 400,000 BTU natural gas high performance pool and spa heater designed for fast heat up, dependable operation, and heavy duty residential pool heating applications. Built by Pentair, the Max E Therm HD model delivers powerful heating performance in a compact, lightweight design with a corrosion resistant exterior housing. This natural gas heater is ideal for pools and spas that need strong heating

but indoor installations must follow Pentair venting instructions

spa heating

Sta-Rite System:3 Modular Media cartridge filters

the TracVac connects to a skimmer or dedicated suction line and does not require a booster pump

Interfaces with iOS®

and system programming

Replacement internal head only

Programmable pump speeds for filtration

ensuring compatibility and ease of service

This model is especially useful for larger pools

Designed for compatible spa light niche applications

Q: Can this be used with white-only lights