I've used this on an older Hyrdotherm smart multi-boiler controller for the system water temperature (in a spud). It only lasted about 3 years. The previous faiied hard open. The last one opened with a 130 deg water temperature. This is treated by the controller as a fault. which resulted in rapid cycling and low boiler water temperature.
Hopefully this last replacement with last a while.
The outdoor sensor is the same and is the original one/
CTA
Masspequa
11 years ago
Verified Buyer
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