Common Questions: Which actuator models are compatible with this retainer

These valves are typically rated for standard hydronic operation up to 150 PSI

always verify your specific model number on the rating plate

Enhanced Flow Capacity: Delivers high-volume gas flow with a Leak-Tite seal for reliable performance in demanding commercial environments

For contractors looking to reduce maintenance callbacks

McDonnell & Miller 157S-P Controller 323055-751 Common Questions: Which actuator modelsThe McDonnell & Miller 157S P Controller (Part #175802) is a precision engineered combination low water cut off and pump controller designed for commercial and industrial steam boilers of any steaming capacity. As the direct replacement for the legacy McDonnell & Miller 157S, this unit integrates a manual reset mechanism to ensure rigorous safety protocols in the event of a low water condition. Featuring a robust Monel bellows for superior corrosion