Description
The Vaillant Safety Switch (Part No. 251851) is an essential safety component for older Vaillant boilers, including the VCW 240T, VCW 240XT, and VC 110T models. It screws into the pipework and features two 100mm leads with spade connectors, helping monitor temperature to protect the system.
- Genuine Vaillant spare part
- Fits a range of older Vaillant boilers
- Please check the boiler manual for compatibility
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