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This Bakelite back adaptor is specifically designed for dual temperature vertical or horizontal instruments
Reliable Communication Logic: Specifically designed to resolve digital signaling issues between HVAC control modules
ensuring a factory-tight seal against high static head pressures
The Johnson Controls HE-69130NP-0 is a high-performance duct-mounted humidity transmitter designed for precision monitoring in commercial HVAC systems
Resideo R845A1030 Relay R-410A This Bakelite back adaptor isThe Resideo R845A1030 functions as a mission critical hydronic switching relay designed for demanding multi zone boiler applications. This DPST switching relay features an integral transformer providing 24Vac current to power two wire or three wire thermostats, including modern Smart Thermostats with C wire requirements. The double pole single throw configuration allows for simultaneous control of a line voltage circulator pump and a low voltage
US$ 11.50
US$ 59.66
US$ 14.03
