Spa Builders Freeze Protector [ST800] (3-85-0032) unions and this Perma Cast version

and this Perma Cast version is a 4 inch bronze model for 1

The Hayward SP1434T internal tool is designed for Jet Air III wall fitting service and helps make installation or removal work more manageable on compatible fittings

This part has practical value because the size range makes it useful across several compatible rope setups while still keeping the intended cleat-style attachment format

Part B24055SD is built for flow-through spa plumbing where water passes through the heater tube as the system circulates

The equal top and bottom dimensions can also simplify replacement when the original specs are known

Spa Builders Freeze Protector [ST800] (3-85-0032) unions and this Perma Cast versionThe Spa Builders Freeze Protector [ST800] is a replacement freeze protection control component designed to help protect compatible spa systems from cold weather damage. Used in the electrical control side of the equipment system, this part helps support automatic freeze protection operation when temperatures drop and circulation needs to be maintained. Part 3 85 0032 is a practical replacement choice when the existing freeze protector is worn,