Zoeller M53 Float Switch Replacement
The part number that you would need to use would be 004705.
Zoeller m53 float switch replacement. 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. The person at zoeller told me the letters that follow the model number are just revision letters. 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.
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. Zoeller replacement switches allow you to simply replace the switch on your sump pump without having to replace the entire existing pump. Chances are that the switch has failed and needs to be replaced which is a common occurrence.
Case gasket switch seal arm assembly free shipping on orders over 99 we only ship within the united states. Along with this you will need a gasket 034046. Float tight on rod check valve stuck or none installed in long distance line overload open level switch s defective sump pit too small. I have heard of this pumps lasting for 10 15 20 and even up to 30 years.
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. Replacement parts list for models m53 and d53. Please note however that the switch requires installation by you or a certified plumber contractor and all sales are final no returns allowed on this product. We list it on our site because we do sell replacement parts for this unit.
For pumps with date code prior to 9 86 the replacement case and switch will have a new style switch. 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.