Durable Construction: Forged brass body with stainless steel trim offers longevity and resistance to common HVAC media

Common Questions & Technical Support What does "Open on Rise" mean for this switch

Designed specifically for compatibility with 0

the RC6600035 is the direct engineering replacement for the older 30RB660036 part number and is fully compatible with the Carrier 30RB chiller logic boards

Commercial Grade Build: Rugged construction ensures long-term reliability in high-cycle industrial HVAC applications

Armstrong International B1669-5 Pressure Change Assembly 30067439-890 Durable Construction: Forged brass bodyThe Armstrong International B1669 5 Pressure Change Assembly is the critical repair component for restoring the positive shut off and operational efficiency of inverted bucket steam traps. Featuring a precision lapped 7 64" orifice, this PCA kit is engineered to withstand differential pressures from 125 PSI to 250 PSI depending on the trap body. As a veteran grade steam trap repair part, the B1669 5 includes the stainless steel valve, valve seat,