Davey / Monarch Cell Oring - ESC, ESR, MCS, CM Series Models

Davey / Monarch Cell Oring - ESC, ESR, MCS, CM Series Models 

This high‑quality replacement O‑ring fits the cell head on all Davey and Monarch Chloromatic ESC, ESR and MCS series saltwater chlorinators. It seals the black cell head to the clear acrylic cell housing, preventing leaks at the top of the cell assembly.

Compatible Models

Davey ChloroMatic ESC Series ESC16, ESC24, ESC36, ESC48

Davey ChloroMatic ESR Series ESR16, ESR24, ESR36

Davey ChloroMatic MCS Series MCS24, MCS36, MCS40

Monarch Chloromatic (Pre‑Davey) ESC Series, ESR Series, CM Series (ESC/ESR‑style head)

Aftermarket Compatible Cells Any replacement cell advertised as “Suits Davey ESC/ESR/MCS” or “Monarch compatible”.

Common Symptoms of a Failed O‑Ring

• Water leaking from the top of the cell

• Salt crust forming around the cell head

• Air entering the cell housing

• Cell head not seating firmly

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