McDonnell & Miller 101A-24V Boiler Water FeederMcDonnell & Miller 101A 24V Boiler Water Feeder delivers precise, electric actuated boiler feeding for reliable operation. With port connections of 1 2 inch threaded x 1 2 inch threaded, it installs quickly in standard piping. It offers a flow rate of 4 GPM at 80 PSI to maintain consistent water levels in steam boilers or hot water systems. The unit runs on 24V AC (40 VA input) for safe, dependable control, and is rated for inlet water up to 120F.

Its adjustable delay lets you tailor pre- and post-run cycles to match equipment and reduce wear on circuits

When planning a setup

Reliable HVAC control and consistent performance

This model delivers reliable performance

inspected for fit and function

supporting long service life for your Bradford White heater

supporting quiet operation and steady airflow for efficient system performance

Regular maintenance with an appropriate ignition control kit helps extend furnace life and improve energy efficiency during cold months

a trusted choice for commercial heating systems

improving startup reliability and boiler efficiency

or new installations in automotive

Filling Valve/Pressure Gauge