Industrial-Grade Build: Housed in an ABS UL Flame Class 94HB enclosure

The McQuay Daikin 111048103 Air Sensor is a precision remote wall-mounted temperature sensor engineered for commercial HVAC systems

Manufactured from high-grade materials to withstand the thermal stress of hydronic systems

this genuine OEM replacement part ensures the control board receives the precise signal needed to maintain safe operation and prevent error codes like the common 3-flash sequence associated with pressure circuit failures

Built to handle the high-thermal stress of constant pilot flames

Cleveland Controls AFS-531-328 Switch 320720-756 Industrial-Grade Build: Housed in anAs a seasoned contractor, you know that proving fan status and monitoring pressure drops requires a switch that doesn't drift. The Cleveland Controls AFS 531 328 is a professional grade differential air pressure switch designed for precision in HVAC, energy management, and industrial ventilation. Featuring a field adjustable setpoint range of 0. 05" to 1. 0" w. c., this unit allows for fine tuning to meet specific economizer or proving switch