Pentair MasterTemp/Max-E-Therm O-Ring Kit [After 1/12/2009] (474201) matrix Supports proper heater temperature control

Supports proper heater temperature control and response

A unit like this is useful because it combines surface skimming and filtration support in a square housing designed for spa applications

A part like this is especially useful when the owner wants to refresh the visible face of the jet while also restoring the internal flow behavior that contributes to the overall seat experience

and SP1700 pump applications where the front strainer section needs replacement as a more complete assembly

bypass configuration

Pentair MasterTemp/Max-E-Therm O-Ring Kit [After 1/12/2009] (474201) matrix Supports proper heater temperature controlKeeping pool equipment in dependable condition often comes down to the right replacement component; this MasterTemp Max E Therm O Ring Kit [After 1 12 2009] is built for that role. Because pool equipment operates under heat, pressure, water exposure, and repeated service cycles, choosing the correct replacement helps reduce callbacks. For MasterTemp and Max E Therm systems, a correct replacement supports safer troubleshooting and a cleaner return to