Johnson Controls AFS-222 Sensing Switch 013 orifice (part number 660922)
Baker’s notes & crumb story
Description
013 orifice (part number 660922)
If the switch is open (no continuity) at room temperature
The Conbraco Industries 10-418-15 relief valve is a precision-engineered ASME Section IV hot water pressure relief valve designed specifically for high-capacity heating systems
It supports a wide range of drive configurations
Enhanced Safety: Immediately interrupts the heating cycle if venting or exhaust restrictions are detected
Johnson Controls AFS-222 Sensing Switch 013 orifice (part number 660922)The Johnson Controls AFS 222 Sensing Switch is the direct performance grade update for legacy A AFS222 and L 200 RH3 models. Engineered specifically for high demand HVACR and energy management applications, this differential air pressure switch features a versatile set point range of 0. 05" ? 0. 02" to 12. 0" w. c., making it ideal for monitoring positive, negative, or differential pressure across coils and filters. The unit is housed in a rugged zinc