20S
Series 20S Residential Fire Sprinkler System Dual Check Backflow Preventers are installed at the residential fire sprinkler service connection to protect the water supply against polluted water being siphoned back from the sprinkler system. Maximum Working Pressure: 175psi (12.06 bar).
Literature
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
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