Hydro-Quip 5.5kW HeatMax RHS Weather-Tight Heater [240V] (RHS-5.5) unions The Sandstorm TM31 fit gives

The Sandstorm TM31 fit gives this part practical value because structural support components work best when they match the original filter geometry closely

Useful when multiple spa functions become inconsistent

and this Balboa 2-1/2 inch version is designed for compatible black-finish applications where that deeper fit matters

Useful when the original jet feels flatter than it should

Hydro-Quip 5.5kW HeatMax RHS Weather-Tight Heater [240V] (RHS-5.5) unions The Sandstorm TM31 fit givesThe Hydro Quip 5. 5 kW HeatMax RHS weather tight heater is designed for compatible 240 volt heating applications where a sealed heater assembly is needed for dependable performance in more exposed environments. A heater like this is useful because it provides the core heating function for the supported system while offering a weather tight design that can add confidence in demanding installations. This version is especially useful when the replacement