Answer
Apr 01, 2026 - 12:44 PM
The sta-rite max-e-therm 400 has a 400,000 British Thermal Unit (BTU) input. A high BTU rating means the heater can warm your pool or spa quickly, which is especially valuable for larger water volumes.
What is the BTU input of the heater? Pentair Sta-Rite Max-E-Therm 400 Propane Gas Heater, SR400LP, 400K BTU
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Open Apr 01, 2026 - 12:44 PM
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Pentair Sta-Rite Max-E-Therm 400 Propane Gas Heater, SR400LP, 400K BTU
Pentair Max-E-Therm® SR400LP Liquid Propane Pool & Spa Heater 400K BTU For indoor or outdoor installations on pools and spas. Features include an LCD temperature readout with dual thermostat controls, temperature safety lockout, and a 6-position control panel. PMG burner technology requires...
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