Robust Construction: UL/CUL listed (SA 3124) with solid copper connections for reliable leak-free installations and high burst pressure resistance

including the R & RCD Series

Direct OEM compatibility eliminates the need for field modifications when replacing the S1-025-44139-000

OEM Compatibility: Exact drop-in replacement for York

Common signs include buzzing from the control box

Daikin-McQuay 073319801 Subbase Els PW 17895 Robust Construction: UL/CUL listed (SAThe Daikin McQuay 073319801 Subbase is a critical mounting and wiring interface designed specifically for PTAC thermostat control integration. Engineered to serve as the hardware foundation for the Honeywell Q674E1460 subbase, this component facilitates seamless communication between the wall mounted thermostat and the HVAC unit's control board. It features a rugged terminal block architecture designed to handle standard 24VAC pilot duty circuits,