The Honeywell 204480 is a specialized 5/16" regulator vent pipe fitting engineered for seamless integration with industrial and residential gas valves

Reliable Resets: The automatic reset feature eliminates unnecessary service calls for manual intervention after temporary thermal spikes

specialized millivolt controls are required

ensuring the inducer fan generates sufficient negative pressure for safe combustion

-30" Hg to 25 PSIG

Siemens Combustion SKP75.013U1 Control 322056-301 The Honeywell 204480 is aThe Siemens SKP75. 013U1 is a high performance electro hydraulic actuator designed for the precise management of fuel to air mixtures in commercial and industrial combustion systems. Operating on 120V, this air gas ratio control unit functions as both a safety shut off valve and a constant pressure regulator, eliminating the need for separate upstream regulators. It maintains a consistent combustion efficiency by tracking air pressure and adjusting