What is the purpose of an Aquastat?

An aquastat is a device used in hydronic heating systems for controlling water temperature. To prevent the boiler from firing too often, aquastats have a high limit temperature and a low limit.Click to see full answer. In respect to this, how does an Aquastat work?The aquastat monitors the water temperature in the boiler through the use of a copper bulb that stays in contact with the water inside the boiler and that shuts down the boiler automatically if the low- or high-temperature set point is exceeded.Beside above, where is the Aquastat located? Most aquastats have a sensor that is inserted in an immersion well. The immersion well is located inside the boiler where the water circulates. The sensor senses the temperature. Similarly, you may ask, how do you know if Aquastat is bad? Check circulator terminals: If voltage is everywhere it should be and a relay is clicking constantly OR a transformer is buzzing, those component(s) are probably bad. Separately at RELAY CONTROL SWITCHES using a water pump pressure control switch as an example we discuss clicking and chattering relay switches.How much does an Aquastat cost? Boiler Service Cost Most homeowners spend between $185 and $587. The location of the unit, broken parts, and several other factors can drive that the price above $1,000 in some situations.
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