including the InnovairFlex D4120 and DNRE series

offering a compact footprint for tight installations where reliable liquid injection is critical for compressor protection and heat exchange efficiency

it utilizes two compact

The patented hood design ensures combustion gases are vented efficiently while maximizing the radiated heat output in the living space

Siemens Building Technology QFA3171 Sensor 340155-7026 including the InnovairFlex D4120 andThe Siemens Building Technology QFA3171 Sensor is a high precision instrumentation solution engineered for demanding HVACR environments. This room humidity and temperature sensor utilizes a 2 wire 4 20mA output signal for both relative humidity (0 100% RH) and temperature monitoring, ensuring robust signal integrity over long cable runs in industrial or commercial facilities. Designed without a display to maintain a low profile and minimize field