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Accessory (5)
Circulator Control (14)
High Limit (39)
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Triple Aquastat Relay (5)

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Adjustable (27)
Fixed (19)
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135°F (1)
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40°F (1)
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100°F (18)
100°F (1)
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120°F (2)
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$70 to $80 (1)
$90 to $100 (1)
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$200 to $300 (18)
$300 to $400 (12)
$400 to $500 (6)
$500 to $600 (1)
$1000 to $1500 (2)

Resideo Aquastats

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Product Image of High Limit Vertical Mount Aquastat Relay, 15-Degree (F) Differential, L8148E1265
High Limit Vertical Mount Aquastat Relay, 15-Degree (F) Differential, L8148E1265
SKU: L8148E1265
Resideo
SKU: L8148E1265
Brand: Resideo
(136)
$400.49 each
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Product Image of High or Low Limit & Circulator Strap-On Aquastat, 65-200-Degree(F) range, 5-30-Degree(F) Adj Differential, L6006C1018
$177.47 each
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Product Image of 120 Vac Oil Electronic Aquastat, L7224U1002
120 Vac Oil Electronic Aquastat, L7224U1002
SKU: L7224U1002
Resideo
SKU: L7224U1002
Brand: Resideo
(49)
$257.57 each
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Product Image of High Limit Horizontal Mount Aquastat Relay, 8-Degree(F) differential, L8148A1017
$293.51 each
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Product Image of High or Low Limit Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006A2007
$164.87 each
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Product Image of High Limit Immersion Aquastat, 100-200-Degree (F) Range, L4080B1352
$94.59 each
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Product Image of High Limit, Manual Aquastat Controller w/ 130-Degree(F) to 270-Degree(F) Operating Temp, L4006E1000
$156.46 each
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Product Image of High Limit Strap-On Aquastat, 100-240-Degree (F) range, Manual Reset, L4006H1004
$284.06 each
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Product Image of Aquastat Relay, 8-Degree(F) Differential, L8148J1009
Aquastat Relay, 8-Degree(F) Differential, L8148J1009
SKU: L8148J1009
Resideo
SKU: L8148J1009
Brand: Resideo
(72)
$368.14 each
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Product Image of High or Low Limit Remote Bulb Aquastat, 100-240-Degree (F), 5-30-Degree (F) Adj Differential, L4008A1015
$200.94 each
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Product Image of High or Low Limit & Circulator, Horizontal Mount Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L6006A1145
$197.41 each
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Product Image of High Limit, Manual Reset Aquastat Controller w/ 130-Degree (F) to 270-Degree (F) Operating Temp, L4008E1040
$172.76 each
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Product Image of High Limit Protection, Low Limit & Circulator Triple Aquastat Relay, High = 10-Degree(F), Low Limit = 10-25-Degree Adj Differential, L8124A1007
$398.04 each
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Product Image of High Limit Vertical Mount Aquastat Relay, 15-Degree(F) differential w/ 50VA Transformer, L8148E1299
$382.97 each
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Product Image of High or Low Limit Aquastat, 40-Degree(F) to 180-Degree(F) Range, L4006A1959
$187.21 each
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Product Image of High or Low Limit Aquastat, 100-240-Degree(F) range, 5-Degree(F) to 30-Degree(F) Differential, L4006A1678
$187.90 each
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Product Image of High or Low Limit Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006A1967
$198.06 each
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Product Image of High Limit Horizontal Mount Triple Aquastat Relay, High = 10-Degree(F) Diff, Low Limit = 10-25-Degree Adj Differential, L8124C1003
$401.87 each
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Product Image of High Limit Aquastat, 130-270-Degree (F) range, Manual Reset, L4006E1067
$273.94 each
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Product Image of High or Low Limit & Circulator Aquastat, 100 - 240-Degree(F) Range, 5 - 30-Degree(F) Adj Differential, L6006A1244
$186.79 each
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Product Image of High & Low Limit Aquastat, High = 10°F Diff, Low = 10-25-Degree Adj Differential, L4081A1023
$334.94 each
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Product Image of High Limit Remote Bulb Aquastat, 100-200-Degree (F) Range, Manual Reset, L4008E1313
$268.91 each
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Product Image of Sensor Assembly w/ 12" Leads, 50001464-001
Sensor Assembly w/ 12" Leads, 50001464-001
SKU: 50001464-001
Resideo
SKU: 50001464-001
Brand: Resideo
(4)
$46.67 each
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Product Image of High Limit, Manual Reset Aquastat Controller w/ 100-Degree (F) to 240-Degree (F) Operating Temp, L4006E1117
$316.44 each
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Product Image of High Limit Remote Bulb Aquastat, 100-240-Degree (F) range, Manual Reset, L4008E1305
$291.23 each
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Product Image of Circulator Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006B1163
$167.59 each
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Product Image of High Limit Triple Vertical Mount Aquastat Relay, High = 10-Degree(F) Diff, Low = 10-25-Degree(F) Adj Differential, L8124E1016
$439.13 each
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Product Image of High Limit Remote Bulb Aquastat, 130-270-Degree (F) range, Manual Reset, L4008E1156
$248.93 each
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Product Image of High Limit Protection, Low Limit & Circulator Vertical Mount Triple Aquastat Relay, High=10-Degree(F), Low Limit=10-25-Degree Adj Differential, L8124A1015
$401.87 each
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Product Image of Circulator Remote Bulb Aquastat, 100-240-Degree (F), 5-30-Degree (F) Adj Differential, L4008B1013
$218.66 each
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Product Image of Flush Mount Sensor Assembly w/ 48" Lead, 50001464-005
Flush Mount Sensor Assembly w/ 48" Lead, 50001464-005
SKU: 50001464-005
Resideo
SKU: 50001464-005
Brand: Resideo
(3)
$45.14 each
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Product Image of High or Low Limit Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006A1017
$254.83 each
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Product Image of High & Low Limit Aquastat, 10-Degree(F) Fixed, 10-25-Degree(F) Differential, L6081A1036
$353.04 each
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Product Image of High or Low Limit Aquastat, 100-240-Degree(F) range, 5-Degree(F) Differential, L4006A1009
$235.31 each
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Product Image of Circulator Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006B1155
$204.26 each
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Product Image of Low Limit & Circulator Remote Bulb Aquastat, 100-240-Degree(F) range, 5-30-Degree Adj Differential, L6008A1192
$320.47 each
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Product Image of High Limit & Circulator Aquastat, 10-Degree(F) High Limit, 10-Degree(F) to 25-Degree(F) Low Limit Adj Differential, L4081B1047
$326.24 each
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Product Image of High Limit Aquastat, 100-200-Degree (F) range, Manual Reset, L4006E1125
$316.50 each
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Product Image of High or Low Limit & Circulator Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L6006A1012
$268.66 each
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Product Image of High Limit, Manual Aquastat Controller w/ 130-Degree (F) to 270-Degree (F) Operating Temp, L4006E1109
$217.61 each
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Product Image of Flush Mount Sensor Assembly w/ 36" Lead, 50001464-004
Flush Mount Sensor Assembly w/ 36" Lead, 50001464-004
SKU: 50001464-004
Resideo
SKU: 50001464-004
Brand: Resideo
(1)
$63.89 each
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Product Image of Circulator Aquastat, 100-240-Degree(F) range, 5-Degree(F) Differential, L4006B1007
$243.81 each
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Product Image of High Limit & Circulator Aquastat, 10-Degree (F) Differential, L4081B1096
$323.79 each
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Product Image of Combination Protector Relay & Hydronic Heating Control w/ High Limit: 10 F fixed, Low Limit/Circulator (10F to 25F), R8182D1079
$1,166.89 each
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Product Image of Combo Protector Relay & Hydronic Heating Control w/ High Limit: 10F fixed, Low Limit/Circulator, Junction Box Mount (10F to 25F), R8182H1070
$1,172.59 each
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Product Image of High Limit Aquastat, 130-270-Degree (F) range, Manual Reset, L4006E1091
$250.19 each
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Product Image of High Limit Triple Vertical Mount Aquastat Relay, High = 10-Degree(F) Diff, Low = 10-25-Degree(F) Adj Differential, L8124G1020
$432.24 each
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Product Image of High or Low Limit Remote Bulb Aquastat, 130-270-Degree (F), 5-30-Degree (F) Adj Differential, L4008A1130
High or Low Limit Remote Bulb Aquastat, 130-270-Degree (F), 5-30-Degree (F) Adj Differential, L4008A1130
SKU: L4008A1130
Resideo
SKU: L4008A1130
Brand: Resideo
$367.01 each
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