McDonnell & Miller 93-M Pump Controller R-410A Direct Compatibility: Engineered as the

Direct Compatibility: Engineered as the specific 5H71923 replacement to ensure exact port alignment and wiring terminal locations

The Robertshaw Y-30128-AF35 Gas Valve is a heavy-duty bimetal gas control valve engineered for precision flow management in residential and commercial gas appliances

Industrial Durability: Rugged brass construction paired with a NEMA 4X watertight enclosure ensures longevity in harsh conditions

Its heavy-duty construction and ball bearing mechanism support reversible rotation (CW/CCW) to match specific blower wheel configurations found in the field

this flat-style igniter is engineered to function reliably with both natural gas and liquid propane (LP) burner systems

McDonnell & Miller 93-M Pump Controller R-410A Direct Compatibility: Engineered as theThe McDonnell & Miller 93 M is a commercial grade combination low water cut off and pump controller designed specifically for steam boiler applications. Engineered for systems with a maximum steam pressure of 150 PSI, this unit features dual snap acting manual reset SPDT switches. These switches provide decisive electrical contact, preventing the rapid cycling or "chattering" often found in mercury free alternatives during turbulent water level