Description
What is this item
Pentair MasterTemp 125 High Performance Heater (EC-462025) is a compact, self-contained propane gas heater designed to warm pools and spas. Delivering 125,000 BTUs of heating capacity, this induced-draft, gas-fired unit provides rapid warm-up while maintaining a small footprint for easier placement and installation. The MasterTemp 125 combines durable construction with user-focused controls and proven combustion technology to efficiently raise and maintain water temperature.
Key Features
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125,000 BTU heating capacity for small to medium pools and spas
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82% thermal efficiency — among the highest in its class for reduced fuel use
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Designed for use with propane fuel
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Compact, lightweight, self-contained design for straightforward installation
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Advanced LCD display/controller with pool and spa modes and digital temperature readout
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Pre-mixed combustion technology for fast warm-up and consistent performance
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Compatible with 1-1/2″ plumbing and Schedule 40 PVC connections
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Low NOx emissions version available for cleaner operation
Why Clients Choose This
Owners of smaller pools and spas choose the MasterTemp 125 for its balance of power, efficiency, and convenience. The high thermal efficiency translates to lower propane consumption, while the compact footprint and simple plumbing connections make it a practical retrofit or new-install option. Clients appreciate the clear LCD control interface and the heater’s ability to deliver steady, reliable warmth for enjoyable swimming seasons without excessive operating cost.
UPC: 788379887315









