pentair-catalog-2025-2026-digital-1-compressed

HIGH PERFORMANCE HEATER MASTERTEMP ® 125

Featured Highlights

• Now with smart connectivity, it’s easier than ever to get the pool warm and ready whenever it’s needed • Digital connectivity with your pool’s automation system and an advanced ignition control module with flame strength sensor help to ensure optimal heater performance • MasterTemp 125 Heater is certified for low NOx emissions 1 • Multi-position top panel allows digital display to be re-positioned for convenient operation • Tough, rustproof exterior handles the heat and weathers the elements • Certified for outdoor and indoor installations • 1-1/2 in. Plumbing connection — ideal for smaller bodies of water, including aboveground pools, spas and in-ground pools up to 15,000 gallons • Available in natural gas or propane gas • Lightweight: 80 lbs. — easy to handle and ship • 3/4 in. gas line up to 50 ft. from source • Optional Smart Heater Bypass valve control diverts water flow when the heater isn’t needed to help save up to 35% in yearly operational costs*

MasterTemp 125 Heater

The MasterTemp 125 Heater provides energy-savings and advanced operating features that were only available from much larger heaters. With its revolutionary pre-mixed gas combustion technology, the MasterTemp 125 Heater offers 82% thermal efficiency. 2 The advanced LCD display/controller provides more information and better control.

Ordering Information

Product

Gas Type

BTU (000’s)

Carton Wt.

MASTERTEMP 125 HIGH PERFORMANCE HEATER

461059

Natural, with cord

125

100

461061

LP, with cord

125

100

474845

Air Intake Kit

462048

Smart Heater Bypass Kit

1 Certified by a third party test lab and communicated to SCAQMD for Rule 1146.2 2 Gas engine measures 82% thermal efficiency when tested per ANSI Z21.56:19/CSA 4.7:19 2019 section 5.10.

CALIFORNIA PROPOSITION 65 WARNING

WARNING: Cancer and Reproductive Harm. AVERTISSEMENT: Peut Causer le Cancer et des Dommages au Système Reproducteur. P/N 200174.A www.p65warnings.ca.gov. ADVERTENCIA: Cáncer y Daño Reproductivo.

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