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Aquastat Relays & Accessories

14 Products

Ensure precise temperature control and system efficiency with our selection of aquastat relays and accessories. Designed for hydronic heating systems, these controls regulate boiler temperature, protect equipment, and help maintain consistent comfort. Available in multiple configurations for residential and commercial applications.
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115 to 120 VAC Aquastat
Bell & Gossett
SKU113224

$56.15

each
Out of Stock
Order by 3:30 EST & Ships Free Today
taco, 563-2, 115 vac aquastat snap action temperature switch
115 VAC Aquastat Snap Action Temperature Switch
Taco Comfort Solutions
SKU563-2

$61.32

each
2 In Stock
Order by 3:30 EST & Ships Free Today
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Aquastat Relay, 120 VAC, 180 to 240 deg F, 15 deg F Differential, Vertical Mount
Honeywell
SKUL8148E-1265

$376.06

each
9 In Stock
Order by 3:30 EST & Ships Free Today
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Aquastat Set With PVC Jacketed Cable
Grundfos
SKU59-56-57

$57.38

each
2 In Stock
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Breaks on Rise Aquastat Controller, 120/240 VAC, 100-240 deg F, 5 to 30 deg F Differential
Honeywell
SKUL4006A-1678

$176.43

each
2 In Stock
Order by 3:30 EST & Ships Free Today
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Breaks on Rise Aquastat Controller, 120/240 VAC, 40-180 deg F, 5 deg F Differential
Honeywell
SKUL4006A-1959

$175.79

each
Out of Stock
Order by 3:30 EST & Ships Free Today
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High and Low limit Aquastat Controller, 120 to 240 VAC/0.25 to 12 VDC, 100 to 240 deg F
Honeywell
SKUL4008A-1015

$188.67

each
2 In Stock
Order by 3:30 EST & Ships Free Today
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High and Low limit Aquastat Controller, 120 to 240 VAC/0.25 to 12 VDC, 65 to 200 deg F, 5.1 to 48 A, 5 to 30 deg F Differential, Horizontal/Vertical/Surface Mount, Import
Honeywell
SKUL6006C-1018

$166.64

each
5 In Stock
Order by 3:30 EST & Ships Free Today
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High and Low Limit Aquastat Controller, 120/240 VAC, 100-240 deg F, 5 to 30 deg F Differential
Honeywell
SKUL6006A-1145

$185.36

each
5 In Stock
Order by 3:30 EST & Ships Free Today
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High and Low Limit Aquastat Relay, 120 VAC, 120-240 deg F, 8 deg F Differential
Honeywell
SKUL8148J-1009

$345.67

each
5 In Stock
Order by 3:30 EST & Ships Free Today
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High Limit Aquastat Relay, 120 VAC, 140-240 deg F, 8 deg F Differential
Honeywell
SKUL8148A-1017

$280.87

each
5 In Stock
Order by 3:30 EST & Ships Free Today
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L4006E1067/U Breaks on Rise Aquastat Controller, 120 to 240 VAC/0.25 to 12 VDC, 130 to 270 deg F, 5.1 to 48 A, Horizontal/Vertical Mount
Honeywell
SKUL4006E-1067

$257.23

each
4 In Stock
Order by 3:30 EST & Ships Free Today
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L4006H-1004 Same As L4006E1091 Except Strap On Mounting Well. Well. Strap On Mounting.
Honeywell
SKUL4006H-1004

$266.73

each
2 In Stock
Order by 3:30 EST & Ships Free Today
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Pressuretrol Pressure Controller 1 to 5 psi Differential
Honeywell
SKUPA404A-1033

$229.93

each
Out of Stock
Order by 3:30 EST & Ships Free Today