Hydro-Quip Watkins Hi-Limit Sensor (34-39525-K) gentekk A gasket like this is

A gasket like this is useful because it helps seal the discharge connection at the volute area and supports a cleaner wet-end assembly

and Waterfall style pumps

Hayward lower body screw

Housings like this are useful because they form the main body around the heating area and help preserve the plumbing path and overall structure of the heater assembly

Smith Hose Connector Assy (69-209-037) is a genuine S

Hydro-Quip Watkins Hi-Limit Sensor (34-39525-K) gentekk A gasket like this isThe Hydro Quip Watkins hi limit with O ring is designed for compatible systems that need both sensing functions refreshed together. A kit like this is useful because it restores the primary temperature reading component and the safety related high limit sensor in one coordinated service package, while the included O rings help support cleaner installation. Hi Limit Sensor Used In Watkins No Fault Heater (C3564 1) For Sensor O ring, Part Number: RMG 01