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The Caleffi 573017A is an autofill assembly combo that includes a backflow preventer. This product is designed to enhance the efficiency of heating systems by maintaining appropriate water levels. Ideal for HVAC professionals, this assembly connects easily using a half inch press union and FNPT configuration.
This assembly offers reliable automatic filling and includes a pressure gauge, making it suitable for various heating applications.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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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