McDonnell & Miller 27W Make Up Water FeederMake Up Water Feeder for boilers, the McDonnell & Miller 27W delivers precise water makeup to keep boiler operation stable. The 27W model (127200) integrates with standard boiler controls to provide reliable automatic water feeder action that protects against low water conditions and improves efficiency. Designed for rugged industrial environments, this Make Up Water Feeder helps maintain optimal boiler pressure and water levels, supporting long

delivering predictable temperature control where it matters most

it integrates seamlessly with your existing Power Venter/Control Kit for smooth

Control range: 2-5 PSI

compatible with existing McDonnell & Miller equipment and common replacement parts in professional maintenance programs

The unit offers screwdriver-adjustable calibration for quick field setup

This mechanical actuation device features 1-inch x 1-inch threaded port connections

This replacement kit replaces older parts 9000092015 and 9000092045

Includes capacitor for easy wiring and setup

Optimized as an HVAC access panel

Supports safe startups

Built to ANSI Class IV standards

it fits a range of models to streamline service and maintenance