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Aquastat replacement parts ensure accurate temperature regulation in boilers and water-based HVAC systems. From aquastat control units to water heater applications, timely maintenance and replacement improve efficiency, prevent overheating, and maintain reliable heating performance.
-10%Laars Heating Systems RE0014400 SPST Aquastat Control 100°F-240°F W/110" CapillarySpecial Price $232.84 Regular Price $258.45
-10%Laars Heating Systems RE0093200 Aquastat Temperature 130°-230°F 66" Capillary L6008G1009Special Price $287.99 Regular Price $319.67
-10%Utica-Dunkirk 240009863 SPST Immersion Aquastat 140°-240°FSpecial Price $451.39 Regular Price $501.05Out of stock
-10%Utica-Dunkirk 550002858 SPST Immersion Aquastat 110°F-200°FSpecial Price $421.77 Regular Price $468.16
-10%Lochinvar & A.O. Smith 100108464 SPST M/R Aquastat 120°F-180°F 80" CapillarySpecial Price $552.72 Regular Price $613.52
-10%Laars Heating Systems E2078000 SPST Immersion Aquastat 40°-180°FSpecial Price $226.60 Regular Price $251.52Out of stock- -10%Laars Heating Systems E2103900 M/R SPST Aquastat Control 40°-180°F 220" CapillarySpecial Price $227.16 Regular Price $252.15
- -13%Utica-Dunkirk 14662313 SPDT Capillary Aquastat 65°F–200°FSpecial Price $194.98 Regular Price $224.23Out of stock
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- -13%Utica-Dunkirk 14662018 100-240F Spst Immersn AquastatSpecial Price $129.99 Regular Price $149.49Out of stock
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Aquastat Replacement Parts for HVAC Controls & Sensing Devices
Aquastat replacement parts are critical components within HVAC controls and sensing devices, designed to regulate water temperature in boilers and hydronic heating systems. An aquastat for boiler applications monitors preset heat levels to ensure efficient performance while preventing overheating and short cycling. These temperature-sensitive devices play a key role in maintaining safe and stable system operation.
A properly functioning aquastat control manages burner activity, circulator pumps, and overall heat distribution by responding accurately to water temperature changes. In systems that require domestic hot water regulation, a hot water aquastat helps maintain consistent temperatures while protecting internal components from thermal stress and damage.
Common applications also include an aquastat for water heater, which supports reliable hot water delivery and energy efficiency. Signs that an aquastat replacement may be needed include inconsistent heating, frequent cycling, boilers not shutting off properly, or circulator pump malfunctions. Regular inspection and timely replacement help extend equipment lifespan and ensure dependable HVAC performance.
At PartsHnC, we offer quality HVAC aquastat replacement parts, including Iimmersion Aaquastat, Aaquastat Cclip, Tthermostat Kkit, Hhigh Ttemperature Aaquastat, and Aaquastat Rrange controls. Compatible with trusted brands like Carrier, Resideo, Hydrotherm, Johnson Controls, and Amtrol for reliable temperature control and HVAC performance.
FAQs
What does an aquastat do in an HVAC system?
An aquastat monitors and regulates water temperature in boilers and hydronic systems, helping maintain safe and efficient heating operation.
Where is an aquastat typically installed?
An aquastat is usually mounted directly on the boiler or attached to the water pipe, depending on whether it is an immersion or strap-on type.
How long does an aquastat typically last?
Most aquastats last 8–15 years, depending on system usage, water quality, and regular maintenance.
Can a faulty aquastat cause a boiler to overheat?
Yes. If the aquastat fails to shut off the burner at the set temperature, the boiler can continue heating and overheat, which may damage system components.
What temperature should a boiler aquastat be set at?
Most boiler aquastats are typically set between 160°F and 180°F, depending on the system and manufacturer recommendations.