Field Controls 46257300 Combustion Air System RelayField Controls 46257300 Combustion Air System Relay is a rugged, reliable relay designed for CAS 3 combustion air systems. This field proven component delivers precise switching and consistent performance in demanding industrial environments. It is built to withstand the rigors of continuous operation and to integrate smoothly with standard control circuits. Built as a dedicated relay type for field installations, this unit provides straightforward

this element is engineered to withstand typical water mineral content and temperature swings

Pressure Rating: 145 PSI Static

It supports proper flame sensing and ignition reliability

Function: Enables flame detection to support safe furnace operation

a minimum differential of 5 psi

the AF44 Air Tube supports safe

stainless steel shaft

making it a reliable upgrade for your existing valves

a wide operating temperature range from -40 to 175 Deg F

helping maintain consistent combustion and minimize energy waste

helping maintain efficient burner operation and reduced downtime

3-Wire Floating