Vaillant low pressure sensor. (Transmitter)
Vaillant ground source heat pump low pressure sensor.
Suitable for
Vaillant geoTHERm VWS 61, 81, 101, 141, 171, 62, 82, and 102 / -3 -3 series
Vaillant geoTHERM 220, 300, 380, 460 / 2-3 series
VWL 141-171 / 3 S
VWL 61-101 / 3 S
VWL 62-102 / 3 S
VWL 7 + 9C, 71 + 91/2