Zoeller M53 Float Switch Replacement

The constant expansion and contraction of the rubber in the grommet around the float arm causes it to wear faster and once you get water in the switch housing it s going to fail.

Zoeller m53 float switch replacement.

Zoeller replacement switches allow you to simply replace the switch on your sump pump without having to replace the entire existing pump. Float switch com nc red 002385 004619b 002392a. We list it on our site because we do sell replacement parts for this unit. Zoeller 004702 case and switch for m53 m57 m98 sump pumps case and switch for m53 m57 m98 sump pumps.

That said a supply house near me carries little giant chinese made zoeller and hydromatic copies and claims that their m53 copy has a better seal around the float arm. Chances are that the switch has failed and needs to be replaced which is a common occurrence. For pumps with date code prior to 9 86 the replacement case and switch will have a new style switch. I was in contact with zoeller prior to buying this as i needed to do a switch replacement on my m53d sump pump.

Zoeller s replacement sump pump switches are some of the most reliable and sensitive switches on the market always alerting your pump to the threat of rising water levels in your sump pit. Float tight on rod check valve stuck or none installed in long distance line overload open level switch s defective sump pit too small. Along with this you will need a gasket 034046. Replacement parts list for models m53 and d53.

M53 a m53 b m53 c m53 d d53 a d53 b d53 c d53 d ref no. We do offer the replacement mechanical switch for m53 and the zoeller complete cover assembly switch kit for m53 sump pump. I have heard of this pumps lasting for 10 15 20 and even up to 30 years. Case gasket switch seal arm assembly free shipping on orders over 99 we only ship within the united states.

The person at zoeller told me the letters that follow the model number are just revision letters. Pump will not shut off debris under float assembly float or float rod bound by pit sides or other switch defective damaged or out of adjustment.