Gast K309 service/rebuild/repair kit used on oil-less diaphragm models with internal filtration (i.e. MOA-P101B-AA). Service kit returns your unit to original factory performance specifications. Recommend for service every 2 years. 1 kit required for DOA models. 2 kits required for DAA models. Service kit includes: Leaf valves, Limiters, Gasket, Filter Elements.
Repair Kit for MOA-P25-JH
ITEM | DESCRIPTION | QUANTITY |
AF783 | Head gasket | 1 EA |
AF857A | Filter/Muffler element | 2 EA |
BC101 | Nut | 1 EA |
AF819A | Retainer valve | 1 EA |
AH406 | Limiter | 1 EA |
AF795 | Leaf valve | 1 EA |
AG973 | Leaf valve exhaust | 1 EA |
BB316 | Screw | 1 EA |
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It seems there should be some gold dust inside the Gast parts packages. A couple of diaphragms, and a 'repair kit' cost over $80! Granted, they make some great products, I have over 100 units in service worldwide, with no problems, so I guess this is the price to pay. In their defense, TECO's price and service was the best.