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100°F (1)
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$40 to $45 (2)
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$70 to $80 (1)
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$200 to $300 (17)
$300 to $400 (15)
$400 to $500 (3)
$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)
$376.06 each
In Stock
Get 130 by Mon, Jun 15
In Stock
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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
High or Low Limit & Circulator Strap-On Aquastat, 65-200-Degree(F) range, 5-30-Degree(F) Adj Differential, L6006C1018
SKU: L6006C1018
Resideo
SKU: L6006C1018
Brand: Resideo
(57)
$166.64 each
In Stock
Get 90 by Mon, Jun 15
In Stock
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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)
$241.84 each
In Stock
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In Stock
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Product Image of High Limit Horizontal Mount Aquastat Relay, 8-Degree(F) differential, L8148A1017
High Limit Horizontal Mount Aquastat Relay, 8-Degree(F) differential, L8148A1017
SKU: L8148A1017
Resideo
SKU: L8148A1017
Brand: Resideo
(121)
$280.87 each
In Stock
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Product Image of High or Low Limit Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006A2007
High or Low Limit Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006A2007
SKU: L4006A2007
Resideo
SKU: L4006A2007
Brand: Resideo
(30)
$154.80 each
In Stock
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Product Image of High Limit Immersion Aquastat, 100-200-Degree (F) Range, L4080B1352
High Limit Immersion Aquastat, 100-200-Degree (F) Range, L4080B1352
SKU: L4080B1352
Resideo
SKU: L4080B1352
Brand: Resideo
(16)
$88.81 each
In Stock
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Product Image of High Limit, Manual Aquastat Controller w/ 130-Degree(F) to 270-Degree(F) Operating Temp, L4006E1000
High Limit, Manual Aquastat Controller w/ 130-Degree(F) to 270-Degree(F) Operating Temp, L4006E1000
SKU: L4006E1000
Resideo
SKU: L4006E1000
Brand: Resideo
(3)
$146.90 each
In Stock
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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)
$345.67 each
In Stock
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Product Image of High Limit Strap-On Aquastat, 100-240-Degree (F) range, Manual Reset, L4006H1004
High Limit Strap-On Aquastat, 100-240-Degree (F) range, Manual Reset, L4006H1004
SKU: L4006H1004
Resideo
SKU: L4006H1004
Brand: Resideo
(9)
$266.73 each
In Stock
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In Stock
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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
High or Low Limit & Circulator, Horizontal Mount Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L6006A1145
SKU: L6006A1145
Resideo
SKU: L6006A1145
Brand: Resideo
(27)
$185.36 each
In Stock
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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
High or Low Limit Remote Bulb Aquastat, 100-240-Degree (F), 5-30-Degree (F) Adj Differential, L4008A1015
SKU: L4008A1015
Resideo
SKU: L4008A1015
Brand: Resideo
(17)
$188.67 each
In Stock
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Product Image of High Limit, Manual Reset Aquastat Controller w/ 130-Degree (F) to 270-Degree (F) Operating Temp, L4008E1040
High Limit, Manual Reset Aquastat Controller w/ 130-Degree (F) to 270-Degree (F) Operating Temp, L4008E1040
SKU: L4008E1040
Resideo
SKU: L4008E1040
Brand: Resideo
(4)
$162.21 each
In Stock
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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
High Limit Protection, Low Limit & Circulator Triple Aquastat Relay, High = 10-Degree(F), Low Limit = 10-25-Degree Adj Differential, L8124A1007
SKU: L8124A1007
Resideo
SKU: L8124A1007
Brand: Resideo
(40)
$373.74 each
In Stock
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Product Image of High Limit Vertical Mount Aquastat Relay, 15-Degree(F) differential w/ 50VA Transformer, L8148E1299
High Limit Vertical Mount Aquastat Relay, 15-Degree(F) differential w/ 50VA Transformer, L8148E1299
SKU: L8148E1299
Resideo
SKU: L8148E1299
Brand: Resideo
(26)
$366.49 each
In Stock
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In Stock
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Product Image of High or Low Limit Aquastat, 40-Degree(F) to 180-Degree(F) Range, L4006A1959
High or Low Limit Aquastat, 40-Degree(F) to 180-Degree(F) Range, L4006A1959
SKU: L4006A1959
Resideo
SKU: L4006A1959
Brand: Resideo
(13)
$175.79 each
In Stock
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Product Image of High or Low Limit Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006A1967
High or Low Limit Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006A1967
SKU: L4006A1967
Resideo
SKU: L4006A1967
Brand: Resideo
(10)
$185.97 each
In Stock
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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
High Limit Horizontal Mount Triple Aquastat Relay, High = 10-Degree(F) Diff, Low Limit = 10-25-Degree Adj Differential, L8124C1003
SKU: L8124C1003
Resideo
SKU: L8124C1003
Brand: Resideo
(26)
$377.34 each
In Stock
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In Stock
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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
High or Low Limit Aquastat, 100-240-Degree(F) range, 5-Degree(F) to 30-Degree(F) Differential, L4006A1678
SKU: L4006A1678
Resideo
SKU: L4006A1678
Brand: Resideo
(6)
$176.43 each
In Stock
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Product Image of High Limit Aquastat, 130-270-Degree (F) range, Manual Reset, L4006E1067
High Limit Aquastat, 130-270-Degree (F) range, Manual Reset, L4006E1067
SKU: L4006E1067
Resideo
SKU: L4006E1067
Brand: Resideo
(5)
$257.23 each
In Stock
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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
High or Low Limit & Circulator Aquastat, 100 - 240-Degree(F) Range, 5 - 30-Degree(F) Adj Differential, L6006A1244
SKU: L6006A1244
Resideo
SKU: L6006A1244
Brand: Resideo
(10)
$175.39 each
In Stock
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Product Image of High & Low Limit Aquastat, High = 10°F Diff, Low = 10-25-Degree Adj Differential, L4081A1023
High & Low Limit Aquastat, High = 10°F Diff, Low = 10-25-Degree Adj Differential, L4081A1023
SKU: L4081A1023
Resideo
SKU: L4081A1023
Brand: Resideo
(4)
$314.50 each
In Stock
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Product Image of High Limit Remote Bulb Aquastat, 100-200-Degree (F) Range, Manual Reset, L4008E1313
High Limit Remote Bulb Aquastat, 100-200-Degree (F) Range, Manual Reset, L4008E1313
SKU: L4008E1313
Resideo
SKU: L4008E1313
Brand: Resideo
(1)
$252.50 each
In Stock
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Product Image of Circulator Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006B1163
Circulator Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006B1163
SKU: L4006B1163
Resideo
SKU: L4006B1163
Brand: Resideo
(8)
$157.36 each
In Stock
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Product Image of High Limit Remote Bulb Aquastat, 100-240-Degree (F) range, Manual Reset, L4008E1305
High Limit Remote Bulb Aquastat, 100-240-Degree (F) range, Manual Reset, L4008E1305
SKU: L4008E1305
Resideo
SKU: L4008E1305
Brand: Resideo
(1)
$273.46 each
In Stock
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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)
$43.81 each
In Stock
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Product Image of High Limit, Manual Reset Aquastat Controller w/ 100-Degree (F) to 240-Degree (F) Operating Temp, L4006E1117
High Limit, Manual Reset Aquastat Controller w/ 100-Degree (F) to 240-Degree (F) Operating Temp, L4006E1117
SKU: L4006E1117
Resideo
SKU: L4006E1117
Brand: Resideo
(3)
$297.13 each
In Stock
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Product Image of High Limit Remote Bulb Aquastat, 130-270-Degree (F) range, Manual Reset, L4008E1156
High Limit Remote Bulb Aquastat, 130-270-Degree (F) range, Manual Reset, L4008E1156
SKU: L4008E1156
Resideo
SKU: L4008E1156
Brand: Resideo
(4)
$233.73 each
In Stock
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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
High Limit Triple Vertical Mount Aquastat Relay, High = 10-Degree(F) Diff, Low = 10-25-Degree(F) Adj Differential, L8124E1016
SKU: L8124E1016
Resideo
SKU: L8124E1016
Brand: Resideo
(6)
$412.33 each
In Stock
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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)
$42.39 each
In Stock
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Product Image of Circulator Remote Bulb Aquastat, 100-240-Degree (F), 5-30-Degree (F) Adj Differential, L4008B1013
Circulator Remote Bulb Aquastat, 100-240-Degree (F), 5-30-Degree (F) Adj Differential, L4008B1013
SKU: L4008B1013
Resideo
SKU: L4008B1013
Brand: Resideo
(6)
$205.31 each
In Stock
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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
High Limit Protection, Low Limit & Circulator Vertical Mount Triple Aquastat Relay, High=10-Degree(F), Low Limit=10-25-Degree Adj Differential, L8124A1015
SKU: L8124A1015
Resideo
SKU: L8124A1015
Brand: Resideo
(4)
$377.34 each
In Stock
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Product Image of High or Low Limit Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006A1017
High or Low Limit Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006A1017
SKU: L4006A1017
Resideo
SKU: L4006A1017
Brand: Resideo
(1)
$239.27 each
In Stock
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Product Image of High Limit Aquastat Controller, 100-180-Degree(F) Range, 5-Degree(F) Differential, L8100B1128
High Limit Aquastat Controller, 100-180-Degree(F) Range, 5-Degree(F) Differential, L8100B1128
SKU: L8100B1128
Resideo
SKU: L8100B1128
Brand: Resideo
(4)
$365.60 each
In Stock
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In Stock
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Product Image of High or Low Limit Aquastat, 100-240-Degree(F) range, 5-Degree(F) Differential, L4006A1009
High or Low Limit Aquastat, 100-240-Degree(F) range, 5-Degree(F) Differential, L4006A1009
SKU: L4006A1009
Resideo
SKU: L4006A1009
Brand: Resideo
(2)
$220.96 each
In Stock
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Product Image of Circulator Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006B1155
Circulator Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006B1155
SKU: L4006B1155
Resideo
SKU: L4006B1155
Brand: Resideo
$191.79 each
In Stock
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Product Image of High & Low Limit Aquastat, 10-Degree(F) Fixed, 10-25-Degree(F) Differential, L6081A1036
High & Low Limit Aquastat, 10-Degree(F) Fixed, 10-25-Degree(F) Differential, L6081A1036
SKU: L6081A1036
Resideo
SKU: L6081A1036
Brand: Resideo
(4)
$331.50 each
In Stock
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Product Image of Low Limit & Circulator Remote Bulb Aquastat, 100-240-Degree(F) range, 5-30-Degree Adj Differential, L6008A1192
Low Limit & Circulator Remote Bulb Aquastat, 100-240-Degree(F) range, 5-30-Degree Adj Differential, L6008A1192
SKU: L6008A1192
Resideo
SKU: L6008A1192
Brand: Resideo
(2)
$300.91 each
In Stock
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Product Image of High Limit Aquastat, 100-200-Degree (F) range, Manual Reset, L4006E1125
High Limit Aquastat, 100-200-Degree (F) range, Manual Reset, L4006E1125
SKU: L4006E1125
Resideo
SKU: L4006E1125
Brand: Resideo
(1)
$297.19 each
In Stock
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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
High Limit & Circulator Aquastat, 10-Degree(F) High Limit, 10-Degree(F) to 25-Degree(F) Low Limit Adj Differential, L4081B1047
SKU: L4081B1047
Resideo
SKU: L4081B1047
Brand: Resideo
(7)
$312.20 each
In Stock
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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
High or Low Limit & Circulator Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L6006A1012
SKU: L6006A1012
Resideo
SKU: L6006A1012
Brand: Resideo
$252.26 each
In Stock
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Product Image of High Limit, Manual Aquastat Controller w/ 130-Degree (F) to 270-Degree (F) Operating Temp, L4006E1109
High Limit, Manual Aquastat Controller w/ 130-Degree (F) to 270-Degree (F) Operating Temp, L4006E1109
SKU: L4006E1109
Resideo
SKU: L4006E1109
Brand: Resideo
$217.61 each
In Stock
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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)
$59.99 each
In Stock
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Product Image of High Limit & Circulator Aquastat, 10-Degree (F) Differential, L4081B1096
High Limit & Circulator Aquastat, 10-Degree (F) Differential, L4081B1096
SKU: L4081B1096
Resideo
SKU: L4081B1096
Brand: Resideo
(1)
$304.03 each
In Stock
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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
Combination Protector Relay & Hydronic Heating Control w/ High Limit: 10 F fixed, Low Limit/Circulator (10F to 25F), R8182D1079
SKU: R8182D1079
Resideo
SKU: R8182D1079
Brand: Resideo
(3)
$1,100.14 each
In Stock
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Product Image of Circulator Aquastat, 100-240-Degree(F) range, 5-Degree(F) Differential, L4006B1007
Circulator Aquastat, 100-240-Degree(F) range, 5-Degree(F) Differential, L4006B1007
SKU: L4006B1007
Resideo
SKU: L4006B1007
Brand: Resideo
(3)
$228.94 each
In Stock
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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
Combo Protector Relay & Hydronic Heating Control w/ High Limit: 10F fixed, Low Limit/Circulator, Junction Box Mount (10F to 25F), R8182H1070
SKU: R8182H1070
Resideo
SKU: R8182H1070
Brand: Resideo
(4)
$1,122.09 each
In Stock
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Product Image of High Limit Aquastat, 130-270-Degree (F) range, Manual Reset, L4006E1091
High Limit Aquastat, 130-270-Degree (F) range, Manual Reset, L4006E1091
SKU: L4006E1091
Resideo
SKU: L4006E1091
Brand: Resideo
(2)
$234.93 each
In Stock
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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
High Limit Triple Vertical Mount Aquastat Relay, High = 10-Degree(F) Diff, Low = 10-25-Degree(F) Adj Differential, L8124G1020
SKU: L8124G1020
Resideo
SKU: L8124G1020
Brand: Resideo
(1)
$405.86 each
In Stock
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