The 12A09 vent limiter acts as a safety check

the S1-025-35354-000 is engineered for long-term oxidation resistance

features an actual dimension of 16

000 to 120

Common Questions: Can this orifice be used for Propane (LP) conversions

Cleveland Control AFS-227-121 Air Flow Switch Els PW 17895 The 12A09 vent limiter actsAs an HVAC technician, you know that consistent pressure monitoring is the backbone of safe furnace and air handler operation. The Cleveland Controls AFS 227 121 is a professional grade air flow switch and differential pressure sensing switch designed to tackle complex HVACR and energy management applications. This SPDT air pressure switch features a versatile field adjustable set point range from . 05" . 02" to 12. 0" w. c., allowing for precision