Key Benefits for Technicians: Broad Voltage Range: Works across 190-600 VAC

preventing pressure switch trip-outs or combustion leakage

preventing common issues like over-amping or premature component failure

This SPDT open high controller operates across a 100

McDonnell & Miller 21 Water Feeder THPU32HP7Y Key Benefits for Technicians: BroadThe McDonnell & Miller Series 21 Water Feeder (Part Number 126400) is a heavy duty, float operated make up water feeder engineered specifically for boiler receiver tanks and condensate return systems. This mechanical unit facilitates proportional feed action, ensuring a consistent water level without the abrupt surges associated with solenoid based systems. By utilizing a direct mount design with a 6 bolt 5 3 4" bolt circle, this feeder installs