McDonnell & Miller 51-S Feeder Refrigerant Precise Fuel Regulation: Maintains consistent

Precise Fuel Regulation: Maintains consistent manifold pressure to prevent delayed ignition or incomplete combustion

Common symptoms include unusual vibrating noises

facilitating a straightforward installation on standard air handlers and evaporator coils

enabling technicians to mount the head after the valve body is piped in

the adapter breaks the millivolt signal to the gas valve's power unit

McDonnell & Miller 51-S Feeder Refrigerant Precise Fuel Regulation: Maintains consistentThe McDonnell & Miller 51 S (Part Number 135600) is a heavy duty mechanical water feeder designed specifically for high capacity steam and hot water boilers. Engineered for systems with a maximum vessel pressure of 35 PSI and a maximum water supply pressure of 100 PSI, this unit provides a reliable proportional feed action to maintain optimal water levels without the hunting common in electronic setups. It features 1" NPT connections for high flow