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High Limit (40)
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Triple Aquastat Relay (5)

Differential

Adjustable (27)
Fixed (20)
Manual Reset (12)

Max Temp (F)

135°F (1)
180°F (2)
200°F (5)
220°F (1)
240°F (29)
240°F (1)
270°F (7)
270°F (1)

Min Temp (F)

40°F (1)
65°F (1)
100°F (19)
100°F (1)
110°F (10)
120°F (2)
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180°F (2)

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Contacts Break on Temp Rise (23)
SPDT (5)
SPST (37)

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(44)
(3)
(1)

Price Range

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$40 to $45 (1)
$50 to $60 (1)
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$80 to $90 (1)
$100 to $200 (16)
$200 to $300 (20)
$300 to $400 (12)
$400 to $500 (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
$342.20 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
$151.65 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
$140.87 each
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Product Image of High Limit Horizontal Mount Aquastat Relay, 8-Degree(F) differential, L8148A1017
$255.59 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
(48)
$220.08 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)
$314.56 each
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Product Image of High Limit, Manual Aquastat Controller w/ 130-Degree(F) to 270-Degree(F) Operating Temp, L4006E1000
$140.22 each
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Product Image of High Limit Strap-On Aquastat, 100-240-Degree (F) range, Manual Reset, L4006H1004
$242.71 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
$168.68 each
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Product Image of High Limit Immersion Aquastat, 100-200-Degree (F) Range, L4080B1352
$80.82 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
$340.11 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
$147.62 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
$171.69 each
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Product Image of High or Low Limit Aquastat, 40-Degree(F) to 180-Degree(F) Range, L4006A1959
$159.97 each
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Product Image of High Limit Vertical Mount Aquastat Relay, 15-Degree(F) differential w/ 50VA Transformer, L8148E1299
$333.50 each
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Product Image of High Limit Aquastat, 130-270-Degree (F) range, Manual Reset, L4006E1067
$234.08 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
$160.55 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
$343.38 each
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Product Image of High & Low Limit Aquastat, High = 10°F Diff, Low = 10-25-Degree Adj Differential, L4081A1023
$286.20 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
$169.23 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
$159.60 each
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Product Image of High Limit Remote Bulb Aquastat, 130-270-Degree (F) range, Manual Reset, L4008E1156
$212.69 each
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Product Image of High Limit Remote Bulb Aquastat, 100-240-Degree (F) range, Manual Reset, L4008E1305
$248.85 each
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Product Image of High Limit Remote Bulb Aquastat, 100-200-Degree (F) Range, Manual Reset, L4008E1313
$229.78 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
$375.22 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
$270.39 each
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Product Image of High Limit Aquastat Controller, 100-180-Degree(F) Range, 5-Degree(F) Differential, L8100B1128
$332.68 each
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Product Image of Circulator Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006B1163
$143.20 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
$273.83 each
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Product Image of High & Low Limit Aquastat, 10-Degree(F) Fixed, 10-25-Degree(F) Differential, L6081A1036
$311.52 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
$217.74 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
$284.10 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
$343.38 each
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Product Image of Circulator Remote Bulb Aquastat, 100-240-Degree (F), 5-30-Degree (F) Adj Differential, L4008B1013
$186.82 each
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Product Image of Circulator Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006B1155
$174.53 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)
$40.90 each
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Product Image of High or Low Limit Aquastat, 100-240-Degree(F) range, 5-Degree(F) Differential, L4006A1009
$201.07 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)
$39.56 each
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Product Image of High Limit Aquastat, 100-200-Degree (F) range, Manual Reset, L4006E1125
$270.44 each
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Product Image of High Limit & Circulator Aquastat, 10-Degree (F) Differential, L4081B1096
$276.67 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)
$54.59 each
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Product Image of High Limit Triple Horizontal Mount Aquastat Relay, High = 10-Degree(F) Diff, Low = 10-25-Degree(F) Adj Differential, L8124L1011
$361.89 each
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Product Image of Circulator Aquastat, 100-240-Degree(F) range, 5-Degree(F) Differential, L4006B1007
$208.34 each
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Product Image of High Limit Aquastat, 130-270-Degree (F) range, Manual Reset, L4006E1091
$213.77 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
$229.55 each
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Product Image of Low Limit & Circulator Remote Bulb Aquastat, 100-200-Degree(F) range, 5-30-Degree Adj Differential, L6008A1242
$285.61 each
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Product Image of Aquastat Controller, Unit Pack, L4006G1006
Aquastat Controller, Unit Pack, L4006G1006
SKU: L4006G1006
Resideo
SKU: L4006G1006
Brand: Resideo
$161.04 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
$313.60 each
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Application

Accessory (5)
High Limit (40)
Low Limit (20)
Oil Aquastat Controller (1)
Strap-On (2)
Triple Aquastat Relay (5)

Differential

Adjustable (27)
Fixed (20)
Manual Reset (12)

Max Temp (F)

135°F (1)
180°F (2)
200°F (5)
220°F (1)
240°F (29)
240°F (1)
270°F (7)
270°F (1)

Min Temp (F)

40°F (1)
65°F (1)
100°F (19)
100°F (1)
110°F (10)
120°F (2)
130°F (9)
180°F (2)

Switch Action

Contacts Break on Temp Rise (23)
SPDT (5)
SPST (37)

Review Score

(44)
(3)
(1)

Price Range

$35 to $40 (1)
$40 to $45 (1)
$50 to $60 (1)
$70 to $80 (1)
$80 to $90 (1)
$100 to $200 (16)
$200 to $300 (20)
$300 to $400 (12)
$400 to $500 (1)
$1000 to $1500 (2)
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