review summary

Major Repair Kit with Phenolic Vanes & Lip Seal is used on Welch Duoseal 1374.Major Repair Kit includes all components of Minor Repair Kit (Gaskets, washers & Viton Shaft seals, v-belts, Exhaust Valves & springs), Plus Vanes (cast iron or phenolic) for major overhaul.is used on pump models 1374.