The ZoneFirst AOBD-16X12 is a professional-grade automatic opposed blade damper engineered for high-performance HVAC zoning systems

The P400BD-1 is a single point differential switch typically used in conjunction with a separate electronic or mechanical time delay control that may handle the reset function

180 lb-in Torque Capacity: Ideal for managing large dampers and high-pressure valve applications without slippage

15" length provides ample thread engagement for a leak-proof connection without bottoming out in the valve port

such as the MP8000 series

Trane VAL7632 TXV 318820-201 The ZoneFirst AOBD-16X12 is aFor service professionals maintaining legacy systems, the Trane VAL07632 thermostatic expansion valve is a critical direct replacement part designed for precision refrigerant metering. This 2. 5 ton TXV is engineered specifically for R 22 refrigerant, providing the consistent superheat control necessary to protect high value reciprocating and scroll compressors in residential and light commercial air handlers. Featuring a 3 8" ODF inlet and a 1 2" ODF