So, I’ve deduced that both upper and lower white plugs are to allow one to inject air or to attach a pressure gauge, to test each chamber.

Can you adjust the float on a Zoeller m53 sump pump?

It is a function of the basin diameter and the “on/off” pumping range. Since the basin is in the ground it is unlikely that it can be enlarged. If you have an automatic unit which has a self contained float switch the “on/off” pumping range cannot be adjusted.

What is the life expectancy of a Zoeller sump pump?





10-20 years

Our favorite buy-it-for-life sump pump is the Zoeller M267; it moves water more quickly than almost any other pump on the market and it’ll do so for a good 10-20 years, but it also costs a cool $300.

How does a Zoeller sump pump work?

How does a sump pump work? This pumping system goes into a reservoir called a sump basin or a sump pit, which sits in a hole in the lowest level of your basement or crawl space. Once the float switch on the pump detects that water has accumulated, it automatically turns on and moves the water away from the house.

What is a sump pump float switch?

A sump pump float switch acts as a level sensor to alert your pump to rising water levels in a sump pit. As the water level rises to a certain point, a pump’s float switch will open a circuit which allows the pump to begin pumping water up and out of the basement.

Do Zoeller sump pumps need a weep hole?





Sump pumps need Weep Holes (relief holes) in order to prevent air locking the impeller chamber. This is important because it allows air to bleed out of the interior of the pump that would normally keep the next cycles from starting.

How high should the float be on a sump pump?

Setting your float switch up at the right height is key – but it may take some trial and error to find the perfect positioning. Set the float switch up so it triggers the pump when the water rises about about 5 inches in most pits.

Why does sump pump have 2 plugs?

If you look at the outlet where you sump pump is plugged in, you should see two separate plugs. One is for the float switch, the other is for the motor. Unplug both of them, and then plug in just the one going to the pump. If the pump doesn’t turn on immediately, your pump needs to be repaired or replaced.

How does a piggyback plug work?

THE PIGGYBACK PLUG or “switchplug” is a convenient way to switch power to timers, level alarms, or a footswitch. Simply plug the piggyback plug into the wall and then plug your device into the female end. Power will then be passed through one blade of the plug when switched to “closed”.

What is a piggyback switch on a sump pump?



Converts a nonautomatic pump to an automatic pump.

Can you bypass float switch on sump pump?

If You Don’t Want to Replace Your Sump Pump Float Switch



power. Bypass the circuit on the original float switch and use silicone sealant to thoroughly seal the housing. Loosely attach the replacement switch to the pump housing with a zip tie. Plug the switch into the outlet and plug the bypass plug into the switch.

How does a float switch plug work?

The plug on the float switch will plug-in to a power outlet, and then the pump will plug into the piggy-back outlet on the back of the float. That is all there to it, your pump will only come on when the float is in position to allow it.

How does a double float switch work?



Quote from the video:
Quote from Youtube video: So it would be this one first and then this one second and then both switches to be lowered in order for the pump cycle process to happen so all both up would be on and both down would be off.

How does a dual switch sump pump work?

Quote from the video:
Quote from Youtube video: So it requires both floats to be in the up position for the system to turn on and then both floats to be in the down position for the system to turn off. And that's what we're accomplishing.

What kind of switch controls the sump pump motor?

Vertical Switches



As the water level in the sump basin rises, the float rises with it, and the switch is activated it reaches a particular height, turning the pump on.

How do you test a float switch?

Quote from the video:
Quote from Youtube video: You're only breaking one leg so on the piggyback switch. This prong here is just a straight pass through it just goes straight through it's always live.

How do you adjust a sump pump float?



Grab the connector that is holding the float to the cord. Squeeze or unfasten the connector with your hands to release it from the cord and adjust it up or down, depending on your needs. The fastening device will depend on your model of sump pump.

How do I know if my sump pump float switch is bad?

How do I know if my sump pump float switch is bad? You can test the float switch either by filling your sump pit with water to raise the switch. Alternatively, you can raise the switch by hand until it should switch. If the level is high enough, but the pump doesnt activate, the switch might be bad.