Apply to be a TradeMaster!
Filter menu expanded

Filters

517 items
Reset

SORT

Product Availability

Show In Stock Only (486)

Product Type

Air Eliminator (45)
Air Eliminator Part (4)
Air Filter (1)
Air Valve (5)
Aquastat (49)
Aquastat Part (3)
Aquastat Well (10)
Backflow Preventer (2)
Boiler Part (22)
Boiler Sensor (1)

Application

24v Air Conditioning Circuits (6)
24v Controls (26)
Accessory (11)
Air Conditioning (14)
Circulator Control (14)
Commercial (2)
Cooling (1)
Electric Heating (1)
Fan Control (5)
Heat Pump (1)

Material

Brass (1)
Bronze (4)
Cast Iron (3)
Copper (11)
Plastic (2)
Polycarbonate (1)
Stainless Steel (1)
Steel (12)

Size

1/8" (2)
1/4" (2)
3/8" (2)
1/2" (15)
3/4" (13)
1" (12)
1-1/4" (14)
1-1/2" (15)
2" (11)
2-1/2" (1)

Review Score

(272)
(31)
(6)
(1)
(3)

Price Range

$1 to $5 (5)
$5 to $10 (14)
$10 to $15 (22)
$15 to $20 (13)
$20 to $25 (21)
$25 to $30 (20)
$30 to $35 (19)
$35 to $40 (8)
$40 to $45 (3)
$45 to $50 (12)

Resideo

Resideo
Help Face
Need a little help?
517 items
Grid
List
Compare
Product Image of Intermittent Pilot Control, S8610U3009
Intermittent Pilot Control, S8610U3009
SKU: S8610U3009
Resideo
SKU: S8610U3009
Brand: Resideo
(119)
$143.32 each
In Stock
Get 292 by Tue, Aug 18
In Stock
Get 292 by Tue, Aug 18
Compare
Product Image of Standard Dual Direct Ignition/Intermittent Pilot Gas Valve, VR8345M4302
$151.17 each
In Stock
Get 210 by Tue, Aug 18
In Stock
Get 210 by Tue, Aug 18
Compare
Product Image of High Limit Vertical Mount Aquastat Relay, 15-Degree (F) Differential, L8148E1265
$348.12 each
In Stock
Get 119 by Tue, Aug 18
In Stock
Get 119 by Tue, Aug 18
Compare
Product Image of 1/2", 24 Vac Standing Pilot Gas Valve, VR8200A2132
1/2", 24 Vac Standing Pilot Gas Valve, VR8200A2132
SKU: VR8200A2132
Resideo
SKU: VR8200A2132
Brand: Resideo
(88)
$131.66 each
In Stock
Get 133 by Tue, Aug 18
In Stock
Get 133 by Tue, Aug 18
Compare
Product Image of High or Low Limit & Circulator Strap-On Aquastat, 65-200-Degree(F) range, 5-30-Degree(F) Adj Differential, L6006C1018
$152.40 each
In Stock
Get 83 by Tue, Aug 18
In Stock
Get 83 by Tue, Aug 18
Compare
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
Get 1,264 by Tue, Aug 18
In Stock
Get 1,264 by Tue, Aug 18
Compare
Product Image of 1/2" NPT Dual Check Backflow Preventer, BP900
$52.94 each
In Stock
Get 227 by Tue, Aug 18
In Stock
Get 227 by Tue, Aug 18
Compare
Product Image of Foot Mounted, Plate Mounted, Clamp Mounted or Panel Mounted 120 Vac Transformer (40VA), AT140A1000
$28.41 each
In Stock
Get 95 by Tue, Aug 18
In Stock
Get 95 by Tue, Aug 18
Compare
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
Get 544 by Tue, Aug 18
In Stock
Get 544 by Tue, Aug 18
Compare
Product Image of PV SuperVent Vent Top Replacement (New Style 90 Degree), PV-020RP
$72.83 each
In Stock
Get 111 by Tue, Aug 18
In Stock
Get 111 by Tue, Aug 18
Compare
Product Image of Glowfly Universal Hot Surface Igniter Single Kit, Q3200U1004
$48.81 each
In Stock
Get 278 by Tue, Aug 18
In Stock
Get 278 by Tue, Aug 18
Compare
Product Image of Universal Digital Electronic Oil Primary, R7284U1004
Universal Digital Electronic Oil Primary, R7284U1004
SKU: R7284U1004
Resideo
SKU: R7284U1004
Brand: Resideo
(53)
$94.00 each
In Stock
Get 122 by Tue, Aug 18
In Stock
Get 122 by Tue, Aug 18
Compare
Product Image of 120 Vac Oil Electronic Aquastat, L7224U1002
120 Vac Oil Electronic Aquastat, L7224U1002
SKU: L7224U1002
Resideo
SKU: L7224U1002
Brand: Resideo
(49)
$219.38 each
In Stock
Get 72 by Tue, Aug 18
In Stock
Get 72 by Tue, Aug 18
Compare
Product Image of L1 Wi-Fi Water Leak and Freeze Detector, CHW3610W8001
L1 Wi-Fi Water Leak and Freeze Detector, CHW3610W8001
SKU: CHW3610W8001
Resideo
SKU: CHW3610W8001
Brand: Resideo
(19)
$69.27 each
In Stock
Get 203 by Tue, Aug 18
In Stock
Get 203 by Tue, Aug 18
Compare
Product Image of High Limit Horizontal Mount Aquastat Relay, 8-Degree(F) differential, L8148A1017
$248.14 each
In Stock
Get 63 by Tue, Aug 18
In Stock
Get 63 by Tue, Aug 18
Compare
Product Image of High or Low Limit Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L4006A2007
$131.75 each
In Stock
Get 46 by Tue, Aug 18
In Stock
Get 46 by Tue, Aug 18
Compare
Product Image of Protectorelay Oil Burner Control with 45 seconds Lock Out Timing, R8184G4009
$128.11 each
In Stock
Get 102 by Tue, Aug 18
In Stock
Get 102 by Tue, Aug 18
Compare
Product Image of 24V General Purpose Relay with DPDT Switching, R8222D1014
$28.79 each
In Stock
Get 108 by Tue, Aug 18
In Stock
Get 108 by Tue, Aug 18
Compare
Product Image of Smart Gas Valve - Standard Opening, SV9501M2528
Smart Gas Valve - Standard Opening, SV9501M2528
SKU: SV9501M2528
Resideo
SKU: SV9501M2528
Brand: Resideo
(146)
$431.09 each
In Stock
Get 56 by Tue, Aug 18
In Stock
Get 56 by Tue, Aug 18
Compare
Product Image of Universal Electronic Fan Timer with Adjustable Heat, ST9120U1011
$213.79 each
In Stock
Get 57 by Tue, Aug 18
In Stock
Get 57 by Tue, Aug 18
Compare
Product Image of Hot Surface Ignitor with 30" Leads, Q3400A1024
Hot Surface Ignitor with 30" Leads, Q3400A1024
SKU: Q3400A1024
Resideo
SKU: Q3400A1024
Brand: Resideo
(48)
$98.87 each
In Stock
Get 100 by Tue, Aug 18
In Stock
Get 100 by Tue, Aug 18
Compare
Product Image of 1/4" NPT, 3-1/8" Face, Temperature & Pressure Gauge (Tridicator), TD-090
$29.57 each
In Stock
Get 71 by Tue, Aug 18
In Stock
Get 71 by Tue, Aug 18
Compare
Product Image of High Limit Immersion Aquastat, 100-200-Degree (F) Range, L4080B1352
$94.59 each
In Stock
Get 98 by Tue, Aug 18
In Stock
Get 98 by Tue, Aug 18
Compare
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
Get 146 by Tue, Aug 18
In Stock
Get 146 by Tue, Aug 18
Compare
Product Image of 1/2", 1-Stage Direct Ignition Gas Valve, 3.5" WC (24V), VR8215S1503
$96.93 each
In Stock
Get 150 by Tue, Aug 18
In Stock
Get 150 by Tue, Aug 18
Compare
Product Image of Fan and Limit Controller w/ 125 F Fan on/100 F Fan off, 200 F High Limit, 11-1/2" Insertion, L4064B2210
$152.04 each
In Stock
Get 58 by Tue, Aug 18
In Stock
Get 58 by Tue, Aug 18
Compare
Product Image of 2 Zone 120V Switching Relay w/ DPST Switching, RA832A1066
$131.84 each
In Stock
Get 61 by Tue, Aug 18
In Stock
Get 61 by Tue, Aug 18
Compare
Product Image of L5 Wi-Fi Water Leak Shutoff Valve w/ 3/4" NPT Ball Valve, VWS02Y-3/4
$209.82 each
In Stock
Get 116 by Tue, Aug 18
In Stock
Get 116 by Tue, Aug 18
Compare
Product Image of Fan and Limit Controller w/ 125 F Fan on/100 F Fan off, 200 F High Limit, 8" Insertion, L4064B2236
$140.58 each
In Stock
Get 39 by Tue, Aug 18
In Stock
Get 39 by Tue, Aug 18
Compare
Product Image of Universal Hot Surface Ignition Integrated Furnace Control, S9200U1000
$163.38 each
In Stock
Get 66 by Tue, Aug 18
In Stock
Get 66 by Tue, Aug 18
Compare
Product Image of Universal Pilot Burner for NG/LP, Q314U1001
Universal Pilot Burner for NG/LP, Q314U1001
SKU: Q314U1001
Resideo
SKU: Q314U1001
Brand: Resideo
(15)
$79.00 each
In Stock
Get 128 by Tue, Aug 18
In Stock
Get 128 by Tue, Aug 18
Compare
Product Image of Foot Mounted 120/208/240 Vac Transformer w/ 9 in. Lead Wires (40VA), AT140A1018
$31.21 each
In Stock
Get 113 by Tue, Aug 18
In Stock
Get 113 by Tue, Aug 18
Compare
Product Image of High Limit, Manual Aquastat Controller w/ 130-Degree(F) to 270-Degree(F) Operating Temp, L4006E1000
$140.22 each
In Stock
Get 61 by Tue, Aug 18
In Stock
Get 61 by Tue, Aug 18
Compare
Product Image of 3/4" NPT Goldtop Air Vent (150 PSI), FV183
$21.94 each
In Stock
Get 167 by Tue, Aug 18
In Stock
Get 167 by Tue, Aug 18
Compare
Product Image of WT8840 Water Heater Gas Valve Control, NG - 1" Spud, 4" W.C., WT8840A1000
$171.89 each
In Stock
Get 62 by Tue, Aug 18
In Stock
Get 62 by Tue, Aug 18
Compare
Product Image of 1/4" NPT Float Type Automatic Air Vent 150 PSI, 240F, FV180A
$16.79 each
In Stock
Get 110 by Tue, Aug 18
In Stock
Get 110 by Tue, Aug 18
Compare
Product Image of Compression Fitting For 1/4 inch OD Pilot Tubing (0.78"), 386449-1
$4.43 each
In Stock
Get 85 by Tue, Aug 18
In Stock
Get 85 by Tue, Aug 18
Compare
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
Get 108 by Tue, Aug 18
In Stock
Get 108 by Tue, Aug 18
Compare
Product Image of WiFi Water Leak Detector Accessory Cable Sensor (5-ft), WLD3CABLE
$14.53 each
In Stock
Get 250 by Tue, Aug 18
In Stock
Get 250 by Tue, Aug 18
Compare
Product Image of Fan and Limit Controller w/ 125 F fan on/100 F fan off, 200 F high limit, 5" insertion, L4064B2228
$133.55 each
In Stock
Get 44 by Tue, Aug 18
In Stock
Get 44 by Tue, Aug 18
Compare
Product Image of Intermittent Pilot Control Conversion Kit, Y8610U4001
$338.21 each
In Stock
Get 26 by Tue, Aug 18
In Stock
Get 26 by Tue, Aug 18
Compare
Product Image of High Limit Strap-On Aquastat, 100-240-Degree (F) range, Manual Reset, L4006H1004
$235.66 each
In Stock
Get 30 by Tue, Aug 18
In Stock
Get 30 by Tue, Aug 18
Compare
Product Image of 50 VA Fan Center w/ DPST Switch Includes R8222U, R8285D5001
$70.01 each
In Stock
Get 24 by Tue, Aug 18
In Stock
Get 24 by Tue, Aug 18
Compare
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
In Stock
Get 64 by Tue, Aug 18
In Stock
Get 64 by Tue, Aug 18
Compare
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
Get 180 by Tue, Aug 18
In Stock
Get 180 by Tue, Aug 18
Compare
Product Image of 3/4" NPT Intermittent Hot Surface Pilot Ignition SmartValve, SV9641M4510
$436.75 each
In Stock
Get 67 by Tue, Aug 18
In Stock
Get 67 by Tue, Aug 18
Compare
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
Get 286 by Tue, Aug 18
In Stock
Get 286 by Tue, Aug 18
Compare
Product Image of Plate or Panel Mounted 120/208/240 Vac Transformer w/ 9" Lead Wires & Metal End Bells, AT150F1022
$61.73 each
In Stock
Get 28 by Tue, Aug 18
In Stock
Get 28 by Tue, Aug 18
Resources
FAQs, Manuals & Videos
Articles
More About Resideo
Resideo is on the forefront of the next wave in consumer technology: the smart, connected home. With a history of creating innovative, reliable solutions, and deeply rooted distribution channels, our mission is to provide technology that delivers comfort, security and simplicity to the places people call home.