Miraco 521B Blue Valve Internal Parts Repair Kit Petersen 150C Parts List YES: This thermostat is often

YES:  This thermostat is often used in place of the discontinued FRU thermostat

consider heated options to ensure consistent water access during freezing conditions

The cover is fully insulated and will drop into the top portion of the yellow base and protect the valve and float area

while remaining secure against livestock interference

Miraco 521B Blue Valve Internal Parts Repair Kit Petersen 150C Parts List YES: This thermostat is oftenThe Miraco 521B Blue Valve Internal Parts Repair Kit allows for efficient maintenance by replacing only the internal components of the 521B valve, eliminating the need for a full valve replacement. The kit includes: 2 Valve Pins (#511) 1 Plunger with Valve Seat (#513) 1 Upper Arm (#515) 1 Lower Arm (#516) Each part is designed for straightforward installation, ensuring your waterer operates smoothly.