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Direct Retrofit: Functions as the factory-authorized direct replacement for 218-929
30" WC to meet specific manufacturer blower curve requirements
it provides dependable protection by requiring a manual intervention once the low-pressure threshold is breached
If your system requires a
McDonnell & Miller 21 Water Feeder 30067439-890 Direct Retrofit: Functions as theThe 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