Pentair – MasterTemp, Low NOx, 250K BTU, Propane Gas, Pool & Spa Heater

The Pentair EC-462027 MasterTemp delivers fast, efficient pool and spa heating using propane — a perfect solution for homes without natural gas service. With a powerful 250,000 BTU output and Low NOx emission certification, this heater provides strong heating performance while supporting cleaner air standards. Its compact footprint, digital controls, and rugged construction make it an excellent choice for medium-to-large residential pools and spas.

Built to operate reliably in demanding outdoor environments, MasterTemp heaters are equipped with corrosion-resistant components and a tough exterior cabinet. The user-friendly interface and built-in safety features ensure smooth operation and peace of mind for pool owners.

Key Features

• 250K BTU High-Performance Heating — Rapid temperature rise for pools and spas

• Propane Fuel Operation — Ideal for areas without natural gas availability

• Low NOx Emissions — Meets strict environmental standards

• High Thermal Efficiency — Designed to reduce fuel cost and energy waste

• Compact, Retrofit-Friendly Design — Fits tight equipment pads and replaces older heaters easily

• Digital Control Interface — Simplifies temperature adjustments and diagnostics

• Durable Weather-Resistant Cabinet — Built for year-round outdoor reliability

• Advanced Safety Systems — Automatic shut-offs and real-time monitoring

Benefits

• Enjoy a longer swim season with warm water on demand

• Lower operational costs with efficient combustion technology

• Reliable performance in challenging climates

• Reduced environmental impact compared to older models

• Fast installation for upgrades or new builds

• Simple maintenance and easier serviceability