Raypak 105A/105B/155A/185 Gasket [2-1/8" ID, 2-3/4" OD] [Qty 2] (800080B) praherplastics Flanged return fittings are useful

Flanged return fittings are useful because they combine flow direction with a more defined finished presentation at the installation point

Freeze protection controls are useful because exposed equipment can be vulnerable to damage when temperatures drop too low

The 1-1/2 inch size and included O-ring relationship give this part practical value because closure pieces work best when the plug and seal are intended to work together

a more complete replacement often feels like the right long-term move

Raypak 105A/105B/155A/185 Gasket [2-1/8" ID, 2-3/4" OD] [Qty 2] (800080B) praherplastics Flanged return fittings are usefulThe 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