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 Honeywell Q314A4586 Pilot Burner
Honeywell Q314A4586 Pilot Burner
SKU: Q314A4586
Resideo
SKU: Q314A4586
Brand: Resideo
(29)
$52.90 each
In Stock
Get 36 by Tue, Aug 18
In Stock
Get 36 by Tue, Aug 18
Compare
Product Image of High or Low Limit Remote Bulb Aquastat, 100-240-Degree (F), 5-30-Degree (F) Adj Differential, L4008A1015
$200.94 each
In Stock
Get 25 by Tue, Aug 18
In Stock
Get 25 by Tue, Aug 18
Compare
Product Image of 1/8" NPT Air Vent - 150 psi, 240F, FV147
$9.29 each
In Stock
Get 212 by Tue, Aug 18
In Stock
Get 212 by Tue, Aug 18
Compare
Product Image of Pilot Burner For Natural Gas, Q345A1305
Pilot Burner For Natural Gas, Q345A1305
SKU: Q345A1305
Resideo
SKU: Q345A1305
Brand: Resideo
(15)
$56.40 each
In Stock
Get 30 by Tue, Aug 18
In Stock
Get 30 by Tue, Aug 18
Compare
Product Image of L1 Wi-Fi Water Leak and Freeze Detector (3 Pack), YCHW3000W3003
$197.41 each
In Stock
Get 36 by Tue, Aug 18
In Stock
Get 36 by Tue, Aug 18
Compare
Product Image of Electronic Fan Timer with Adjustable Heat, ST9103A1002
Electronic Fan Timer with Adjustable Heat, ST9103A1002
SKU: ST9103A1002
Resideo
SKU: ST9103A1002
Brand: Resideo
(66)
$168.37 each
In Stock
Get 24 by Tue, Aug 18
In Stock
Get 24 by Tue, Aug 18
Compare
Product Image of High or Low Limit & Circulator, Horizontal Mount Aquastat, 100-240-Degree(F) range, 5-30-Degree(F) Adj Differential, L6006A1145
$173.01 each
In Stock
Get 37 by Tue, Aug 18
In Stock
Get 37 by Tue, Aug 18
Compare
Product Image of Water Heater Gas Valve Control, NG - 2" Insulation Tank, 4" W.C. Setting, WT8840C1500
$210.23 each
In Stock
Get 59 by Tue, Aug 18
In Stock
Get 59 by Tue, Aug 18
Compare
Product Image of High Limit, Manual Reset Aquastat Controller w/ 130-Degree (F) to 270-Degree (F) Operating Temp, L4008E1040
$172.76 each
In Stock
Get 14 by Tue, Aug 18
In Stock
Get 14 by Tue, Aug 18
Compare
Product Image of Standard Dual Direct Ignition Gas Valve - Single Stage for Lennox, VR8215S1248T
$109.57 each
In Stock
Get 31 by Tue, Aug 18
In Stock
Get 31 by Tue, Aug 18
Compare
Product Image of Standard Dual Intermittent Pilot Gas Valve, VR8204A2076
Standard Dual Intermittent Pilot Gas Valve, VR8204A2076
SKU: VR8204A2076
Resideo
SKU: VR8204A2076
Brand: Resideo
(23)
$203.54 each
In Stock
Get 41 by Tue, Aug 18
In Stock
Get 41 by Tue, Aug 18
Compare
Product Image of Standard Dual Standing Pilot Gas Valve - 3/4" x 3/4", VR8300A4508
$190.61 each
In Stock
Get 33 by Tue, Aug 18
In Stock
Get 33 by Tue, Aug 18
Compare
Product Image of Natural Gas To LP Conversion Kit for SV9500, SV9501, SV9502, VR8200, VR8300, 393691
$12.56 each
In Stock
Get 1 by Tue, Aug 18
In Stock
Get 1 by Tue, Aug 18
Compare
Product Image of Cadmium-Sulfide Flame Detector w/ 60" leads, C554A1463
$38.34 each
In Stock
Get 163 by Tue, Aug 18
In Stock
Get 163 by Tue, Aug 18
Compare
Product Image of 1 Zone 120V Switching Relay w/ Internal Transformer, 1 SPST Line Relay, RA89A1074
$108.81 each
In Stock
Get 39 by Tue, Aug 18
In Stock
Get 39 by Tue, Aug 18
Compare
Product Image of 1/2", 24 Vac Standing Pilot Gas Valve - Slow Opening, VR8200H1251
$191.77 each
In Stock
Get 70 by Tue, Aug 18
In Stock
Get 70 by Tue, Aug 18
Compare
Product Image of 3/4" Aquastat Well, 121371B
3/4" Aquastat Well, 121371B
SKU: 121371B
Resideo
SKU: 121371B
Brand: Resideo
(19)
$54.57 each
In Stock
Get 43 by Tue, Aug 18
In Stock
Get 43 by Tue, Aug 18
Compare
Product Image of Protectorelay Oil Burner Control with 45 seconds Lock Out Timing, R8184M1051
$264.33 each
In Stock
Get 30 by Tue, Aug 18
In Stock
Get 30 by Tue, Aug 18
Compare
Product Image of Pressuretrol, PA404A1033
Pressuretrol, PA404A1033
SKU: PA404A1033
Resideo
SKU: PA404A1033
Brand: Resideo
(13)
$244.87 each
In Stock
Get 28 by Tue, Aug 18
In Stock
Get 28 by Tue, Aug 18
Compare
Product Image of High Limit Protection, Low Limit & Circulator Triple Aquastat Relay, High = 10-Degree(F), Low Limit = 10-25-Degree Adj Differential, L8124A1007
$330.20 each
In Stock
Get 9 by Tue, Aug 18
In Stock
Get 9 by Tue, Aug 18
Compare
Product Image of Universal Intermittent Pilot Burner for NG/LP w/ Batwing Style Hood, Q348U1009
$86.03 each
In Stock
Get 53 by Tue, Aug 18
In Stock
Get 53 by Tue, Aug 18
Compare
Product Image of Switching Relay w/ Internal Transformer DPST Line Voltage Relays, R845A1030
$130.00 each
In Stock
Get 39 by Tue, Aug 18
In Stock
Get 39 by Tue, Aug 18
Compare
Product Image of Standard Dual Standing Pilot Gas Valve - 1/2" x 3/4", VR8300A3500
$177.79 each
In Stock
Get 66 by Tue, Aug 18
In Stock
Get 66 by Tue, Aug 18
Compare
Product Image of One-Rod Intermittent Pilot Control
One-Rod Intermittent Pilot Control
SKU: S8610M3009
Resideo
SKU: S8610M3009
Brand: Resideo
(16)
$167.36 each
In Stock
Get 58 by Tue, Aug 18
In Stock
Get 58 by Tue, Aug 18
Compare
Product Image of Universal Digital Electronic Oil Primary w/ Status Indicator Light, R7284B1024
$91.94 each
In Stock
Get 36 by Tue, Aug 18
In Stock
Get 36 by Tue, Aug 18
Compare
Product Image of 1/2" NPT, 3-1/8" Face, Temperature & Pressure Gauge (Tridicator), TDV-040
$40.76 each
In Stock
Get 42 by Tue, Aug 18
In Stock
Get 42 by Tue, Aug 18
Compare
Product Image of Universal Intermittent Pilot Burner for NG/LP w/ Target Style Hood, Q345U1005
$84.27 each
In Stock
Get 108 by Wed, Aug 19
In Stock
Get 108 by Wed, Aug 19
Compare
Product Image of 1/2" External NPT Heating Expansion Tank (4.4 Gallon), TK300-30
$82.16 each
In Stock
Get 38 by Tue, Aug 18
In Stock
Get 38 by Tue, Aug 18
Compare
Product Image of Standard Dual Direct Ignition Gas Valve - Single Stage for Goodman, VR8215S1214T
$109.57 each
In Stock
Get 22 by Tue, Aug 18
In Stock
Get 22 by Tue, Aug 18
Compare
Product Image of Natural Gas to LP Conversion Kit - Envelope Assembly, 396221
$13.83 each
In Stock
Get 29 by Tue, Aug 18
In Stock
Get 29 by Tue, Aug 18
Compare
Product Image of Replacement Air Vent Assembly for PowerVent (pre-2004), PV-001RP
$14.67 each
In Stock
Get 21 by Tue, Aug 18
In Stock
Get 21 by Tue, Aug 18
Compare
Product Image of Universal Hot Surface Ignition Module, S8910U3000
Universal Hot Surface Ignition Module, S8910U3000
SKU: S8910U3000
Resideo
SKU: S8910U3000
Brand: Resideo
(5)
$220.34 each
In Stock
Get 24 by Tue, Aug 18
In Stock
Get 24 by Tue, Aug 18
Compare
Product Image of 1" Propress SuperVent Air Eliminator, PV100P
$189.67 each
In Stock
Get 33 by Tue, Aug 18
In Stock
Get 33 by Tue, Aug 18
Compare
Product Image of High or Low Limit Aquastat, 40-Degree(F) to 180-Degree(F) Range, L4006A1959
$187.21 each
In Stock
Get 42 by Tue, Aug 18
In Stock
Get 42 by Tue, Aug 18
Compare
Product Image of 1/8" NPT Goldtop Universal Air Vent - Heating/Cooling Systems, FV180
$17.54 each
In Stock
Get 173 by Tue, Aug 18
In Stock
Get 173 by Tue, Aug 18
Compare
Product Image of High Limit Vertical Mount Aquastat Relay, 15-Degree(F) differential w/ 50VA Transformer, L8148E1299
$332.43 each
In Stock
Get 24 by Tue, Aug 18
In Stock
Get 24 by Tue, Aug 18
Compare
Product Image of Universal Intermittent Pilot Burner w/ Target Style Hood & Integral Ignition Wire, Q3451U1000
$107.71 each
In Stock
Get 32 by Tue, Aug 18
In Stock
Get 32 by Tue, Aug 18
Compare
Product Image of L5 Wi-Fi Water Leak Shutoff Valve w/ 1" NPT Ball Valve, VWS02Y-1
$242.41 each
In Stock
Get 120 by Tue, Aug 18
In Stock
Get 120 by Tue, Aug 18
Compare
Product Image of 40 VA Fan Center w/ SPDT Switch Includes R8222B, R8285A1048
$58.09 each
In Stock
Get 25 by Tue, Aug 18
In Stock
Get 25 by Tue, Aug 18
Compare
Product Image of 1/2" Aquastat Well, 121371A
1/2" Aquastat Well, 121371A
SKU: 121371A
Resideo
SKU: 121371A
Brand: Resideo
(19)
$47.93 each
In Stock
Get 34 by Tue, Aug 18
In Stock
Get 34 by Tue, Aug 18
Compare
Product Image of Intermittent Pilot Control for LP & NG (90 Second Trial Time & Lockout)
$164.06 each
In Stock
Get 18 by Tue, Aug 18
In Stock
Get 18 by Tue, Aug 18
Compare
Product Image of 30" Ignition Cable Assembly, 394800-30
30" Ignition Cable Assembly, 394800-30
SKU: 394800-30
Resideo
SKU: 394800-30
Brand: Resideo
(9)
$71.20 each
In Stock
Get 32 by Tue, Aug 18
In Stock
Get 32 by Tue, Aug 18
Compare
Product Image of 1/4" NPT, 3-1/8" Face, Long Probe Temperature & Pressure Gauge (Tridicator), TD-165
$29.93 each
In Stock
Get 11 by Tue, Aug 18
In Stock
Get 11 by Tue, Aug 18
Compare
Product Image of 1" Sweat Supervent Air Eliminator, PV100S
$170.37 each
In Stock
Get 68 by Tue, Aug 18
In Stock
Get 68 by Tue, Aug 18
Compare
Product Image of Compression Fitting for 1/8 inch OD Pilot Tubing (0.78"), 392449-1
$11.80 each
In Stock
Get 39 by Tue, Aug 18
In Stock
Get 39 by Tue, Aug 18
Compare
Product Image of 1/2" NPT Connection Thermometer w/ 2-1/2" Dial Size, GT162
$22.47 each
In Stock
Get 59 by Tue, Aug 18
In Stock
Get 59 by Tue, Aug 18
Compare
Product Image of Glowfly Pro Universal Hot Surface Silicon Nitride Igniter, Q3205U1107
$64.31 each
In Stock
Get 18 by Tue, Aug 18
In Stock
Get 18 by Tue, Aug 18
Compare
Product Image of TK30 Boiler Trim Kit w/ Check Valve, 1-1/4" NPT Air Eliminator, & 4.4 Gal. Expansion Tank, TK30PV125FM
$372.07 each
In Stock
Get 42 by Tue, Aug 18
In Stock
Get 42 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.