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The Watts Regulator SAN89D15 is a low water cut-off control device used in hydronic steam heating systems. This device is crucial for preventing damage due to low water conditions. It operates at a pressure of fifteen PSI, ensuring safe and efficient system performance.
This product is vital for maintaining optimal water levels in heating systems.
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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