Armstrong International B1670-4 Pressure Change Assembly 30067439-890 Industrial Durability: Robust construction and

Industrial Durability: Robust construction and a silicone diaphragm support an operating temperature range of -40°F to 180°F

Using the included high-temperature silicone gasket prevents flammable vapor infiltration and maintains the integrity of the FVIR system

It can be mounted horizontally without requiring precise leveling

improving draft and combustion stability

the P70CA-400 is rated for high-pressure non-corrosive refrigerants including R-410A

Armstrong International B1670-4 Pressure Change Assembly 30067439-890 Industrial Durability: Robust construction andThe Armstrong International B1670 4 Pressure Change Assembly is a precision engineered steam trap repair kit specifically designed for inverted bucket traps including the Armstrong 212, 812, TVS 812, and 882 Series. Featuring a 5 32" orifice, this high performance component allows your steam system to operate effectively at a maximum pressure of 125 PSI. By replacing the internal mechanism with this OEM PCA kit, HVAC technicians can restore optimal