McDonnell & Miller 51S-114 Mechanical Water Feeder/Low Water Cut-Off Valve Seat

Mechanical Water Feeder/Low Water Cut-Off Valve Seat for McDonnell & Miller 51S-114 delivers precise water level control and reliable boiler protection. This valve seat is designed for use with the 51-S and 51-S-2 series Mechanical Water Feeders and Low Water Cut-Off systems, ensuring accurate operation and extended service life in demanding boiler rooms.

Built to withstand frequent cycling and high-temperature environments, the 51S-114 valve seat supports quick, secure replacements and maintains proper water levels to prevent unexpected shutdowns. It serves as an OEM-compatible replacement part, ideal for routine maintenance and repairs in commercial and residential boiler applications. Pair with the matching feeder components for optimal performance and compliance with standard installation practices.

• Compatibility: Fits McDonnell & Miller 51-S/51-S-2 series mechanical water feeders
• Function: Provides reliable water feed with a low-water cutoff
• Durability: Robust valve seat designed for boiler-room conditions
• Installation: Easy replacement to minimize downtime
• OEM-Ready: OEM-compatible replacement part for 51S-114