it supports QRA flame detectors or ionization probes

troubleshooting furnace error codes often points to the integrated diagnostic LEDs on this board

this thermally protected unit features 3/8-inch suction and discharge line connections

reducing installation complexity and potential leak points

Common Questions Is this kit compatible with all 2-inch Spence valves

Siemens Building Technology 257-02032 Valve Assembly 323613-751 it supports QRA flame detectorsThe Siemens Building Technology 257 02032 Valve Assembly is a contractor grade solution designed for precise fluid control in terminal unit applications such as convectors and fan coil units. This 2 way normally open valve features a compact 1 2 inch NPT connection and a 0. 63 Cv equal percentage flow characteristic, ensuring linear heat output across a wide range of operating conditions. Built with a rugged forged brass body and reliable brass trim,