A Hobart 00-975656 Backflow Preventer blocks reverse water flow to protect internal components and preserve reliable system function.
The backflow preventer prevents reverse water flow that could contaminate the supply line and disrupt proper equipment operation. Its 1/2" connection and ratings for 250°F and 175 PSI ensure it can withstand demanding plumbing conditions while maintaining reliable flow control and system protection.
The backflow preventer may be nearing replacement if the system shows backflow-related performance problems, inconsistent water control or pressure irregularities during operation. Common indicators include visible leaks, corrosion, mineral buildup or wear around the body and connections and you might notice these issues more often in high-heat or high-pressure environments.
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We provide the option to return most new, unopened real OEM replacement parts within 90 days of delivery, so head to our Returns page to see if your order qualifies. For installed items that don't work anymore, fill out the form in the Defective Parts & Warranty Inquiries section.