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Thermostatic Freeze Relief Kits

Series FPTC-1 Thermostatic Freeze Relief Kits are designed to keep water from freezing in the backflow preventer, while avoiding discharges based on the air temperature dropping below freezing. Series FPTC-1 thermostatically measures the water temperature and opens at 35°F (1.6°C) and closes at 40°F (4.4°C). Maximum Working Pressure: 175psi (12.1 bar).

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Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: