RA/VL Sensors, RA 2952, Gas, Sensor type: Remote sensor, 5 °C - 26 °C, RAVL
013G2952
Frost protection, limiting and locking of temperature set-point, suitable for older Danfoss RA/VL 26 mm valves
There is a newer improved version of this product that Danfoss recommends that you investigate.
Replacement
Replacement