Pentair | SR400NA | Max-E-Therm 400,000 BTU Natural-Gas Pool & Spa Heater – High-Efficiency Low-NOx Residential/Commercial In-Ground Heater
Product Description
Pentair | SR400NA | Max-E-Therm 400,000 BTU Natural-Gas Pool & Spa Heater – High-Efficiency Low-NOx Residential/Commercial In-Ground Heater
- Large-Capacity 400,000 BTU Natural-Gas Heater for In-Ground Pools & Spas: The SR400NA model provides 400,000 BTU input heating capacity, designed to warm large residential or smaller commercial pools efficiently.
- High Efficiency & Low NOx Emissions for Eco-Friendly Operation: This heater features advanced burner technology and rust-proof Dura-Glas housing, offering best-in-class energy efficiency (~84 %) and low emissions compliant with modern standards.
- Built for Indoor or Outdoor Installation with Versatile Venting Options: The SR400NA accepts natural gas, supports both vertical and horizontal venting when installed correctly, and is suitable for indoor or outdoor equipment pad setups.
- Digital Control Panel with LED Display, Dual Thermostats & Self-Diagnostics: Equipped with a user-friendly interface, six-position control panel, LED temperature readout and diagnostic fault codes to simplify installation and service.
- Durable Construction and Retrofit-Friendly Footprint: With a compact form, premium materials and direct drop-in compatibility for many legacy systems, this heater is built to last and simplify upgrades—saving installation time and cost.
Technical Specifications
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