Hydro-Quip Watkins Hi-Limit Sensor (34-39525-K) gentekk Housings like this are useful

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

and Waterfall style pumps

making it useful for sand changes where a clean fill process helps prevent internal damage

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

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

Hydro-Quip Watkins Hi-Limit Sensor (34-39525-K) gentekk Housings like this are usefulThe 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