Pentair MasterTemp/Max-E-Therm O-Ring Kit [After 1/12/2009] (474201) couplings Using the correct extended closed

Using the correct extended closed plug tool helps reduce technician effort

The Avalanche and SherLok 160 compatibility give this cover its practical value because closure parts work best when they match the original filter relationship closely

Useful when the original switch no longer responds cleanly

Waterway Drain Assembly [Lo-Profile 3/4" Stainless Steel/Gray] is a replacement drain component designed for compatible pool

Matching the correct flow-thru manifold helps preserve intended fit and dependable multi-line performance

Pentair MasterTemp/Max-E-Therm O-Ring Kit [After 1/12/2009] (474201) couplings Using the correct extended closedKeeping 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