Great For Freeze Protection!
Wilkins: 1/4" Freeze Relief Valve
Ideal for regions where occasional/unexpected freezes occur, yet winterization (flushout) is not common Hassle Free design requires no periodic maintenance, and can be used with all major brands of backflow preventer
Compact size and shape allow for ease of installation Ideally suited for double-check and RP assemblies, vacuum breakers, and detector assemblies on large backflow products.
Sheet Spec Sheets, Installation Instructions and Video Below: