For industrial contractors

this model is designed for hot water or two-pipe steam

Precision Safety: Calibrated to a 0

For contractors maintaining Trane HVAC systems

Featuring a measurement range from -60°F to 182°F with an accuracy of ±2°F

Siemens Building Technology 544-577-40 Sensor 30067439-890 For industrial contractorsThe Siemens 544 577 40 is a heavy duty liquid immersion temperature sensor engineered for precision monitoring in HVAC hydronic systems. This unit features a high accuracy 1k Ohm Platinum RTD (Ref. 375a Alpha) sensing element, providing stable and linear resistance output across a broad operating range of 0F to 250F ( 18C to 121C). Designed for direct mounting into piping systems, it includes a 4 inch stainless steel probe and a matched thermowell to