It helps restore the housing side of the pump when the original wet end has lost its seal
A wet end should preserve the intended operating profile of the pump so the finished repair feels strong
Replacing both parts together can help restore cleaner chamber sealing and routine refill access
This type of part is especially useful when the original timer motor has stopped advancing
directly affecting circulation quality and system efficiency
Raypak 105A/105B/155A/185 Gasket [2-1/8" ID, 2-3/4" OD] [Qty 2] (800080B) dialvalves It helps restore the housingThe Raypak gasket set is designed for compatible 105A, 105B, 155A, and 185 heater applications where a pair of correctly sized seals is needed. A gasket is useful because it helps maintain a dependable seal between supported mating surfaces, reducing the risk of leaks and helping the heater assembly stay serviceable. This replacement is especially useful when the original gaskets are flattened, brittle, or leaking, or whenever the sealed joint is