ensuring your 24V accessories and primary relays operate within their specified tolerances

High-Efficiency Performance: Meets NEMA Premium standards to lower operational costs in 24/7 HVAC applications

A failed ignitor often triggers a "3-trial" lockout

or if the water feeder fails to actuate

this unit thrives in constant speed pump and centrifugal fan applications

Siemens Building Technology QAM2030.020 Temperature Sensor R-134A ensuring your 24V accessories andThe Siemens QAM2030. 020 is a heavy duty duct temperature sensor engineered for precision monitoring in commercial HVAC automation systems. Featuring a 10k Ohm Type 2 thermistor sensing element, this unit delivers highly accurate resistance based feedback to your Building Automation System (BAS) or Direct Digital Control (DDC) controller. The 8 inch rigid stainless steel probe is designed for point source measurement, making it ideal for monitoring