Integrated Diagnostics: The built-in LED indicator and momentary check button allow for instant status verification and circuit dry-runs

as well as Q313 thermopiles

the Fenwal 35-615900-227 24VAC DSI is built to withstand rigorous mechanical room environments

ensuring reliable signal switching in demanding environments like York fan coil units and air handlers

Simplified Setup: Includes a manual override and a 3-foot appliance cable for streamlined field installation

Carrier 00PPG000472900 Flow Switch 322838-752 Integrated Diagnostics: The built-in LEDThe Carrier 00PPG000472900 flow switch is an HVACR safety and control device designed to verify proper fluid movement within chilled water and hydronic systems. This Carrier flow switch is commonly used in commercial HVAC equipment to protect chillers, pumps, and refrigeration circuits by confirming adequate water flow before system operation is allowed. It helps prevent equipment damage caused by low flow or no flow conditions and ensures stable