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Description
Coast Spas ribbed gasket for 3-inch heaters that seals the heater connection to stop leaks. The rib helps the gasket stay seated as the union is tightened. Inspect it whenever the heater is removed and replace it if it looks flattened or brittle. Confirm your heater uses 3-inch connections before ordering.
Search: 3 inch heater gasket, ribbed heater gasket, hot tub heater seal, spa heater union gasket
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