Screw in insert with diaphragm for modern Zodiac and Bombard recessed / flush valves

Formerly Part Z6841 or 6841 and Z6840
If valve is leaking, you might also replace the gasket in the cover cap
#Z6851 Link below

Cap/ cover with two prongs that screws in with half twist is below.

Zodiac / Avon Sales and Service
Zodiac Valve Parts Diagrams

Zodiac Valve Parts Diagrams

Semi-recessed valve cap gasket each	( Part # ZOD Z6851 )
Cap and nut for semi-recessed valve new 2002 grey	( Part # ZOD Z60052 )
Zodiac semi-recessed valve cap and collar pre 2002	( Part # ZOD Z2435 )

E-Mail sales@shipstore.com with any questions.