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The Resideo 121371B is a 3/4 inch aquastat well designed for heating systems. This well is made of copper and has key dimensions that make it a reliable component for temperature control. Please note that the well clamp assembly is sold separately.
This aquastat well is ideal for use in heating applications, especially for monitoring temperature in boilers and heating equipment.
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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