McDonnell & Miller 94-HD Pump Controller Refrigerant Common Questions What are the

Common Questions What are the signs of a failing Cecilware auger wire

Enhanced Safety: Critical for preventing the escape of carbon monoxide and other combustion byproducts into the mechanical space

this SPST (Single Pole Single Throw) mechanical switch monitors differential air pressure to verify proper blower operation and venting before allowing the combustion cycle to proceed

refer to the 20-250 series equivalents

03 resolves issues related to cracked ceramic insulators or clogged pilot ports that prevent a clean

McDonnell & Miller 94-HD Pump Controller Refrigerant Common Questions What are theThe McDonnell & Miller 94 HD Pump Controller (Part Number 165300) is a high performance replacement head mechanism engineered for heavy duty commercial and industrial steam boiler applications. Designed specifically for Series 94 and Series 194 units, this combination low water cut off and pump control manages liquid levels in systems with a maximum pressure of 250 PSI. This assembly includes the No. 5 snap acting SPDT switch, providing reliable dual