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The LOCHINVAR 100278108 is a pressure switch suitable for WH110 and WH155 models. This component monitors pressure levels at 3.2 WC, making it essential for maintaining optimal performance in compatible systems.
This pressure switch provides reliable monitoring and is an essential part for your heating system.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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