It requires the internal wiring and control logic of a two-stage furnace or RTU to operate both high and low firing rates correctly

The 115V motor provides consistent RPM performance to prevent pressure switch tripping and common ignition failures

The McDonnell & Miller 323300 Head Gasket (Model 92-68) is a critical replacement component engineered specifically for Series 94 and 194 Low Water Cut-Offs and pump controllers

it is the direct OEM successor

System Stability: Prevents localized voltage drops and potential breaker trips during heavy load conditions

Conbraco 50-503-06 Valve L99H008 It requires the internal wiringThe Conbraco 50 503 06 is a professional grade 1 1 4" manual gas shut off valve engineered for high capacity main burner applications. Built with a rugged ASTM B584 bronze body, this full port gas cock provides a robust solution for natural gas, LP gas, and mixed gas systems. With a significant heat capacity of 3,250,000 BTU hr and a 1 2 PSI pressure rating, it is optimized for commercial boilers and industrial heating equipment. This model features a