Sta-Rite 400 BTU Max E Therm – Propane

Sta-Rite Max-E-Therm 400K BTU Pool & Spa Heater – Propane or Natural Gas

The Sta-Rite Max-E-Therm 400K BTU heater delivers powerful, efficient heating for in-ground pools and spas, making it ideal for larger residential or commercial installations. Available in both Propane (SR400LP) and Natural Gas (SR400NA) models, it offers flexibility to suit your fuel preference.​

Featuring a compact, lightweight design and a rust-proof Dura-Glas® composite shell, the Max-E-Therm is built to withstand harsh outdoor conditions. Its advanced PMG burner technology ensures rapid heat-up times and superior energy efficiency, while the digital LED control panel provides easy temperature management.​

Key Features:

• 400,000 BTU heating capacity

• Available in Propane (SR400LP) and Natural Gas (SR400NA) models

• High energy efficiency with PMG burner technology

• Compact, lightweight design for easy installation

• Rust-proof Dura-Glas® composite shell for durability

• Digital LED control panel with dual thermostat controls

• Certified for low NOx emissions​

Whether you choose propane or natural gas, the Sta-Rite Max-E-Therm 400K BTU heater provides reliable, efficient heating to extend your swimming season.