Pentair MasterTemp 125 Thermal Regulator (474989) oreq Useful during sand filter service

Useful during sand filter service or rebuild work

For compatible mini jet upgrades and repairs

Replacing the eyeball is often the most direct way to bring that precision back

Small but important pump repair component

This type of part is especially useful when a rope-based safety or boundary installation needs a simple but durable hardware connection point

Pentair MasterTemp 125 Thermal Regulator (474989) oreq Useful during sand filter serviceKeeping pool equipment in dependable condition often comes down to the right replacement component; this MasterTemp 125 Thermal Regulator is built for that role. Because pool equipment operates under heat, pressure, water exposure, and repeated service cycles, choosing the correct replacement helps reduce callbacks. For MasterTemp 125 heater work, correct component selection helps protect heating performance, water side sealing, ignition reliability,