How To Bypass Aquastat

Aquastats are used to maintain a desired water temperature in a heating system. When the water temperature falls below the aquastat’s set point, the aquastat will activate the heating system to heat the water back up to the desired temperature. If there is a problem with the heating system and it is unable to heat the water to the desired temperature, the aquastat will keep activating the heating system until it can. This can cause the heating system to run constantly and eventually

How To Bypass Aquastat

There are a few different ways to bypass an aquastat. One is to jumper the two terminals on the aquastat, which will cause the system to always run at the highest temperature setting. Another way is to remove the aquastat from the system and run it at full power. This can be done by either disabling the safety switch or by wiring it directly to the boiler.

-Aquastat -Phillips head screwdriver -Voltmeter

  • Open the front cover of the aquastat
  • Twist each wire around a screwdriver and
  • Locate the two wires connected to the aquastat
  • Unscrew the wire nuts and remove the wires

below -Check the wiring -Check the voltage at the aquastat -Replace the aquastat

Frequently Asked Questions

Why Is An Aquastat Needed?

A water heater typically has a thermostat that regulates the temperature of the water. If the water becomes too hot, the thermostat will shut off the heat to the tank. An aquastat is needed to maintain the set point temperature of a hot water tank. It senses the temperature of the water and sends a signal to the thermostat to either turn on or off the heat, as needed.

How Do You Know If Aquastat Is Bad?

If the water in your home is not heating up, or if it’s taking a long time for the water to heat up, there may be something wrong with your aquastat.

Will A Boiler Work Without A Pump?

A boiler will not work without a pump.

How Do I Know If My Boiler Relay Is Bad?

A boiler relay is an electrical device that helps control the power to a boiler. If you think your boiler relay may be bad, you can test it by seeing if it will power on the boiler when you flip the switch. If it doesn’t, then you may need to replace the relay.

What Does A Pump Do On A Boiler?

A pump circulates water through the boiler, heating it. The heated water is then used to heat the home.

How Do You Test An Aquastat On A Boiler?

To test an aquastat on a boiler, you should first make sure that the power is off to the boiler. Once the power is off, you can remove the cover to the aquastat. There are two wires leading to the aquastat; you can test these wires by checking for continuity with a multimeter. If there is no continuity, the wire is broken and you will need to replace the aquastat.

Taking Everything Into Account

If the aquastat is not functioning properly, it can be bypassed by wiring the boiler to come on full-term. This should only be done by a qualified technician.

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