This is the genuine Davey replacement O-ring (part M1222) that seals the union connection between the electrolytic cell and the pool pipework on Davey ProMatic MPS, ESR, and ESC salt chlorinator systems. A correctly seated O-ring is essential to prevent water leaks at the cell union and to maintain the integrity of the chlorination circuit. It is typically replaced whenever the cell is removed for cleaning, inspection, or cell renewal.<\/p>\n
This O-ring is designed for use with Davey ProMatic MPS, ESR, and ESC series salt chlorinators \u2014 including ESC 24, ESC 36, and ESC 48 models \u2014 where it seats at the cell connection union. Always cross-reference your existing part number or consult your Davey documentation before ordering to confirm fitment, as O-ring dimensions can vary between sub-models.<\/p>\n
Davey’s own installation instructions advise keeping the O-rings safe during any cell removal procedure, as a damaged or missing O-ring will cause leaks at the cell union joint. Using a genuine Davey O-ring ensures the correct material grade, dimensional accuracy, and chemical resistance needed to withstand continuous exposure to salt water and the chlorination process without degrading prematurely.<\/p>\n
When removing the ESC cell from the pipeline for cleaning or replacement, undo the unions and carefully retrieve the O-ring. Inspect it for any cuts, deformation, or hardening before refitting. If in doubt, fit a new genuine O-ring before reassembling the union to ensure a leak-free seal. It is recommended that installation be performed by a qualified pool technician.<\/p>","protected":false},"excerpt":{"rendered":"