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AO Smith (12)
Aprilaire (2)
Argo (1)
Bacharach (2)
Baso Gas Products (19)
Bosch (1)
Bradford White (3)
Buderus (3)
Burnham (14)
Cozy (3)

Application

Accessory (22)
Heating (10)
Radiator Vent (4)
Replacement Part (22)
Snow Melt (1)

Product Type

Accessory (1)
Boiler Part (6)
Burner (2)
Cleaner (1)
Control Assembly (1)
Flame Detector (3)
Flame Monitor Control (3)
Flame Rod (1)
Flame Scanner (28)
Flame Sensor (13)

Features

-40 to 248°F (3)
High Temp. Silicon Cable (3)
Non-Self Check (11)
PVC Cable (3)
Remote Data Communications (2)
Remote Display (2)
Remote Reset (2)
Self-Check (8)

Temperature Range (F)

-30°F to 160°F (3)
-40°F - 120°F (2)
-40°F to 150°F (2)
-40°F to 150°F (2)
-40°F to 158°F (2)
-40°F to 250°F (27)
40°F - 240°F (4)
40°F to 150°F (2)
40°F to 180°F (1)
40°F to 220°F (4)

Voltage

18 mV (1)
20 mV (7)
30 mV (24)
750 mV (4)
24V (1)
115/230V (2)
120v (6)
220v (1)

Price Range

$1 to $5 (5)
$5 to $10 (15)
$10 to $15 (33)
$15 to $20 (22)
$20 to $25 (26)
$25 to $30 (11)
$30 to $35 (19)
$35 to $40 (19)
$40 to $45 (23)
$45 to $50 (16)

Flame Sensors

429 items
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Product Image of Replacement Steam Canister for Series 800 Humidifier
$104.99 each
In Stock
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In Stock
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Product Image of 36" Universal Replacement Thermocouple
$6.29 each
BOX UP & SAVE 2%
$61.40 box of 10
$6.14 each
In Stock
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Product Image of VisionPRO Remote Indoor Sensor - Wired
VisionPRO Remote Indoor Sensor - Wired
SKU: C7189U1005
Honeywell Home
SKU: C7189U1005
(24)
$51.31 each
In Stock
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Product Image of Universal Flame Sensor
Universal Flame Sensor
SKU: 790-843A1
White Rodgers
SKU: 790-843A1
(4)
$22.48 each
In Stock
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Product Image of Flame Sensor w/ Gasket, 100165930
Flame Sensor w/ Gasket, 100165930
SKU: 100165930
Lochinvar
SKU: 100165930
Brand: Lochinvar
(2)
$23.86 each
In Stock
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Product Image of 36" Thermocouple with Maximum Copel, Q340A1090
36" Thermocouple with Maximum Copel, Q340A1090
SKU: Q340A1090
Resideo
SKU: Q340A1090
Brand: Resideo
(30)
$14.53 each
In Stock
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Product Image of VisionPRO Outdoor Temperature Sensor
VisionPRO Outdoor Temperature Sensor
SKU: C7089U1006
Honeywell Home
SKU: C7089U1006
(47)
$44.40 each
In Stock
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Product Image of Flame Sensor Rod Kit, 100113151
Flame Sensor Rod Kit, 100113151
SKU: 100113151
AO Smith
SKU: 100113151
Brand: AO Smith
(6)
$118.30 each
In Stock
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Product Image of 36" Thermocouple, Q390A1061
36" Thermocouple, Q390A1061
SKU: Q390A1061
Resideo
SKU: Q390A1061
Brand: Resideo
(79)
$9.07 each
BOX UP & SAVE 0%
$90.70 box of 10
$9.07 each
In Stock
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Product Image of 24" Universal Replacement Thermocouple
$6.81 each
BOX UP & SAVE 5%
$64.80 box of 10
$6.48 each
In Stock
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Product Image of 36" Thermopile Generator w/ PG9 Pilot Adaptor
$42.43 each
In Stock
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Product Image of Complete Flame Detector with Cad Cell Eye, 30" leads, "S" Bracket
$17.29 each
In Stock
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Product Image of Flame Sensor, 632484R
Flame Sensor, 632484R
SKU: 632484R
Nordyne
SKU: 632484R
Brand: Nordyne
(18)
$30.80 each
In Stock
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Product Image of Minipeeper UV Sensor -  1/2" Mounting
Minipeeper UV Sensor - 1/2" Mounting
SKU: C7027A1023
Honeywell
SKU: C7027A1023
Brand: Honeywell
(3)
$264.22 each
In Stock
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Product Image of 4" Straight Flame Sensor for Hot Surface Ignition Systems
$12.42 each
In Stock
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Product Image of RedLINK Enabled Wireless Outdoor Sensor
$94.19 each
In Stock
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Product Image of 24" Thermocouple, Q390A1046
24" Thermocouple, Q390A1046
SKU: Q390A1046
Resideo
SKU: Q390A1046
Brand: Resideo
(79)
$8.16 each
BOX UP & SAVE 0%
$81.60 box of 10
$8.16 each
In Stock
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Product Image of Flame Amplifier, Ultraviolet used w/ 7800 Series Relay Modules (FFRT 2.0 sec or 3.0 sec)
$379.33 each
In Stock
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Product Image of ADK7, Deluxe Silicone Test Lead Kit
$45.05 each
In Stock
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Product Image of Goodman Direct Replacement Flame Sensor, Replaces Goodman 0130F00010, B1172606, 20488501, 67683 & PFS010
$12.10 each
In Stock
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Product Image of 30" Thermocouple, Q390A1053
30" Thermocouple, Q390A1053
SKU: Q390A1053
Resideo
SKU: Q390A1053
Brand: Resideo
(79)
$8.61 each
BOX UP & SAVE 0%
$86.10 box of 10
$8.61 each
In Stock
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Product Image of TC24, Pipe-Clamp Thermocouple for Air Conditioning (3/8" to 1-3/8")
$84.15 each
In Stock
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Product Image of Flame Sensor, 100187882
Flame Sensor, 100187882
SKU: 100187882
AO Smith
SKU: 100187882
Brand: AO Smith
(1)
$166.60 each
In Stock
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Product Image of Flame Sensor and Gasket Kit, 103339-01
Flame Sensor and Gasket Kit, 103339-01
SKU: 103339-01
Burnham
SKU: 103339-01
Brand: Burnham
(10)
$71.17 each
In Stock
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Product Image of Flame Sensor Replacement, S1-02537499000
Flame Sensor Replacement, S1-02537499000
SKU: S1-02537499000
York
SKU: S1-02537499000
Brand: York
(4)
$46.19 each
In Stock
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Product Image of Dehumidifier Control
Dehumidifier Control
SKU: 76
Aprilaire
SKU: 76
Brand: Aprilaire
(5)
$155.99 each
In Stock
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Product Image of Flame Sensor with Wiring Harness, 903600
Flame Sensor with Wiring Harness, 903600
SKU: 903600
Nordyne
SKU: 903600
Brand: Nordyne
(22)
$16.84 each
In Stock
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Product Image of Thermopile Assembly, 100281571
Thermopile Assembly, 100281571
SKU: 100281571
AO Smith
SKU: 100281571
Brand: AO Smith
(10)
$77.37 each
In Stock
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Product Image of 30" Thermocouple with Maximum Copel, Q340A1082
30" Thermocouple with Maximum Copel, Q340A1082
SKU: Q340A1082
Resideo
SKU: Q340A1082
Brand: Resideo
(30)
$14.03 each
In Stock
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Product Image of 27" Low Mass Thermocouple
27" Low Mass Thermocouple
SKU: 1960-027
Robertshaw
SKU: 1960-027
Brand: Robertshaw
(17)
$15.98 each
In Stock
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Product Image of 24" Thermocouple with Maximum Copel, Q340A1074
24" Thermocouple with Maximum Copel, Q340A1074
SKU: Q340A1074
Resideo
SKU: Q340A1074
Brand: Resideo
(30)
$13.26 each
In Stock
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Product Image of Minipeeper
Minipeeper
SKU: C7027A1049
Honeywell
SKU: C7027A1049
Brand: Honeywell
(3)
$262.36 each
In Stock
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Product Image of 30" Thermocouple (Screw-In) for CG, EG, EGH, CGA Boilers, 511-724-254
$43.62 each
In Stock
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Product Image of Lennox Direct Replacement Flame Sensor, Replaces Lennox 69W43 & LB74940B
$12.56 each
In Stock
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Product Image of Carrier / ICP Direct Replacement Flame Sensor
$13.08 each
In Stock
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Product Image of Flame Amplifier used w/7800 Series Relay Modules (FFRT 2.0 sec or 3.0 sec)
$283.75 each
In Stock
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Product Image of Cadmium-Sulfide Flame Detector w/ 60" leads, C554A1463
$38.34 each
In Stock
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Product Image of Flame Sensor with Gasket, 100165931
Flame Sensor with Gasket, 100165931
SKU: 100165931
Lochinvar
SKU: 100165931
Brand: Lochinvar
(2)
$21.21 each
In Stock
Get 15 by Tue, Jul 7
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Product Image of ASLS2, Silicone Test Leads
ASLS2, Silicone Test Leads
SKU: ASLS2
Fieldpiece
SKU: ASLS2
Brand: Fieldpiece
(5)
$26.35 each
In Stock
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Product Image of HW Q309A1988 Thermocouple for IN Series 2 Boilers, 30" Lead, 8236024
$35.88 each
In Stock
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Product Image of 30" Universal Replacement Thermocouple
$6.81 each
BOX UP & SAVE 4%
$65.30 box of 10
$6.53 each
In Stock
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Product Image of 1/2" NPT Connector Non-Self Check Ultra-Violet Flame Scanner with 6 Ft. Tray-Rated Cable
$310.00 each
In Stock
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Product Image of 60" Snap-Fit Thermocouple
60" Snap-Fit Thermocouple
SKU: 1980-060
Robertshaw
SKU: 1980-060
Brand: Robertshaw
(27)
$14.95 each
In Stock
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Product Image of Supply Temperature Sensor, 381-356-589
Supply Temperature Sensor, 381-356-589
SKU: 381-356-589
Weil-McLain
SKU: 381-356-589
Brand: Weil-McLain
(2)
$69.20 each
In Stock
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Product Image of 24" Snap-Fit Thermocouple
24" Snap-Fit Thermocouple
SKU: 1980-024
Robertshaw
SKU: 1980-024
Brand: Robertshaw
(27)
$9.35 each
In Stock
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Product Image of Flame Sensor Replacement, S1-02527773700
Flame Sensor Replacement, S1-02527773700
SKU: S1-02527773700
York
SKU: S1-02527773700
Brand: York
(8)
$36.38 each
In Stock
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Product Image of Flame Sensor with Gasket, 100165923
Flame Sensor with Gasket, 100165923
SKU: 100165923
Lochinvar
SKU: 100165923
Brand: Lochinvar
(1)
$31.08 each
In Stock
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Product Image of ATB1, K-Type Thermocouple
ATB1, K-Type Thermocouple
SKU: ATB1
Fieldpiece
SKU: ATB1
Brand: Fieldpiece
(5)
$21.25 each
In Stock
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In Stock
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