preventing pressure loss

Can I use this light to replace other amber indicators in Modine heaters

the K1-3 is compatible with R-410A and other common refrigerants

Does this seal cap function as a vent limiter

Cleveland Controls AFS-460-121 Switch preventing pressure lossThe Cleveland Controls AFS 460 121 is a professional grade adjustable air pressure sensing switch engineered for high accuracy performance in HVAC and energy management systems. Designed to monitor positive, negative, or differential air pressure, this proving switch features a versatile setpoint range of 0. 4" w. c. to 12. 0" w. c., making it a reliable solution for verifying fan operation or filter status. As a safety critical component, it utilizes