How To Wire Aquastat

Aquastats are temperature-controlled switches used in hydronic heating systems to activate and deactivate circulator pumps. They are usually located near the boiler, and are wired in series with the circulator pump. The aquastat senses the temperature of the water in the system, and when it reaches a setpoint, it sends a signal to the pump to turn on. When the water cools down below the setpoint, the aquastat sends a signal to the pump to

How To Wire Aquastat

Aquastats are used to control the temperature of a heating system by regulating the amount of heat that is delivered to the system. Aquastats work by sensing the water temperature and then sending a signal to the boiler to turn on or off as needed to maintain the setpoint temperature. There are several different types of aquastats, but all operate in basically the same way. The most common type of aquastat is a dial-type aquastat. The

The tools and materials you’ll need for this project include: -Aquastat -Wire stripper -Wire cutter -Soldering iron -Solder -Heat shrink tubing

  • Determine the wiring configuration of the aquastat
  • Determine if the load is a resistive or inductive load
  • Identify the “load” or device to be controlled by the aquastat

Aquastats are devices used to measure and maintain water temperature in a heating or cooling system. There are many different types of aquastats, but all share a common goal: to keep water within a desirable temperature range. When wiring an aquastat, it is important to follow the manufacturer’s instructions precisely. Improper wiring can damage the aquastat or the entire heating or cooling system.

Frequently Asked Questions

How Do You Wire A Circulator Pump On A Boiler?

In order to wire a circulator pump on a boiler, you must first identify the power wires and the pump wires. The power wires are typically the black and red wires, while the pump wires are typically the blue and white wires. Next, twist together the black and red power wires and then twist together the blue and white pump wires. Finally, screw a wire connector onto each of the twisted pairs and tighten with a screwdriver.

How Do You Wire An Aquastat To A Circulator Pump?

To wire an aquastat to a circulator pump, you will need to connect the aquastat’s black and red wires to the circulator pump’s black and red wires. You will also need to connect the aquastat’s green wire to the circulator pump’s yellow wire.

How Do You Set Up A Honeywell Aquastat?

You set up a Honeywell aquastat by first identifying the zone you want to control and then setting the temperature for that zone.


If you’re installing a new aquastat, follow the manufacturer’s instructions to wire it properly. If you’re replacing an old aquastat, remove the old wires and then reconnect them to the new unit in the same way. Be very careful not to touch the live wires with your hands.

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