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Item # RV1075T, 3/4" PVC Pressure Relief Valves w/FPM seals; threaded end connections On Hayward Flow Control
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Plast-O-Matic RVD Series PVC Relief Valve for Low Through High Pressure, For Corrosive and Ultra-Pure Liquids, 5-100 psi Pressure Range, 1/4" NPT Female: Industrial Relief Valves: Amazon.com: Industrial & Scientific
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Plast-O-Matic Series RVDT & RVDTM 2 in. PVC Relief Valves w/ PTFE Viton Seals - John M. Ellsworth Co. Inc.
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