Armstrong International A6942 Humidistat R-410A Contractor Ready: Convenient 10-pack ensures

Contractor Ready: Convenient 10-pack ensures technicians have the necessary parts for LP conversion kits and routine seasonal maintenance

How do I test the millivolt output on the 700-522

What does the -1

providing efficient switching performance throughout a temperature range of -40°F to 150°F

Armstrong International A6942 Humidistat R-410A Contractor Ready: Convenient 10-pack ensuresThe Armstrong International A6942 Humidistat is a high performance duct mounted high limit pneumatic humidistat designed for precise industrial and commercial humidity management. Engineering for the demanding environments of hospitals, laboratories, and printing plants, this high limit RA duct hygrostat operates within a critical 55 95% relative humidity (RH) range. Its reverse acting pneumatic mechanism utilizes a highly sensitive hygroscopic