McDonnell & Miller 194 Controller 320735-701 This OEM ignition control module

This OEM ignition control module features integrated safety lockout functions and diagnostic LED indicators to streamline troubleshooting for service technicians in the field

High-Precision Signal Integrity: Ensures stable air pressure delivery to pneumatic control systems for accurate temperature sensing

Can this relay be used as a replacement for the 040-0166-30

and manufactured gas

this assembly provides precise gas orifice alignment and uniform flame distribution across all four heat exchanger cells

McDonnell & Miller 194 Controller 320735-701 This OEM ignition control moduleAs a veteran HVACR technician, you know that maintaining precise water levels in high pressure systems isn't just about efficiencyit is about safety and equipment longevity. The McDonnell & Miller 194 Low Water Cut Off and Pump Controller (Part Number 166600) is the industry standard for commercial and industrial steam boilers, engineered to operate reliably in environments up to 250 PSI max pressure. This heavy duty combination LWCO and pump