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 48" Thermocouple with Maximum Copel, Q340A1108
48" Thermocouple with Maximum Copel, Q340A1108
SKU: Q340A1108
Resideo
SKU: Q340A1108
Brand: Resideo
(30)
$16.09 each
In Stock
Get 20 by Tue, Aug 18
In Stock
Get 20 by Tue, Aug 18
Compare
Product Image of Pilot Burner for Natural Gas with a BCR-18 Orifice (Left Single Tip Style, "C" Mounting), Q3450C1185
$146.56 each
In Stock
Get 13 by Tue, Aug 18
In Stock
Get 13 by Tue, Aug 18
Compare
Product Image of Standard Dual Direct Ignition Gas Valve - Two Stage, VR8305Q4500
$304.67 each
In Stock
Get 5 by Tue, Aug 18
In Stock
Get 5 by Tue, Aug 18
Compare
Product Image of Outdoor Temperature Sensor, C7089R3013
Outdoor Temperature Sensor, C7089R3013
SKU: C7089R3013
Resideo
SKU: C7089R3013
Brand: Resideo
$108.14 each
In Stock
Get 4 by Tue, Aug 18
In Stock
Get 4 by Tue, Aug 18
Compare
Product Image of 1" Circulating Pump Check Valve, PCV100
$7.01 each
In Stock
Get 24 by Tue, Aug 18
In Stock
Get 24 by Tue, Aug 18
Compare
Product Image of AquaPUMP Hydronic 3-Speed Circulator Pump, 15 GPM, PC3F1558IUF00
$202.70 each
In Stock
Get 22 by Tue, Aug 18
In Stock
Get 22 by Tue, Aug 18
Compare
Product Image of High Limit Aquastat, 130-270-Degree (F) range, Manual Reset, L4006E1067
$273.94 each
In Stock
Get 21 by Tue, Aug 18
In Stock
Get 21 by Tue, Aug 18
Compare
Product Image of 35" Thermopile Generator w/ PG9 Adapter (750 mV), Q313A1170
$82.94 each
In Stock
Get 32 by Tue, Aug 18
In Stock
Get 32 by Tue, Aug 18
Compare
Product Image of High Limit Horizontal Mount Triple Aquastat Relay, High = 10-Degree(F) Diff, Low Limit = 10-25-Degree Adj Differential, L8124C1003
$401.87 each
In Stock
Get 9 by Tue, Aug 18
In Stock
Get 9 by Tue, Aug 18
Compare
Product Image of Two-stage Intermittent Hot Surface Pilot Ignition SmartValve Control, SV9541Q2561
$437.06 each
In Stock
Get 10 by Tue, Aug 18
In Stock
Get 10 by Tue, Aug 18
Compare
Product Image of Standard Opening SmartValve Control, SV9510M2511
Standard Opening SmartValve Control, SV9510M2511
SKU: SV9510M2511
Resideo
SKU: SV9510M2511
Brand: Resideo
(27)
$434.69 each
In Stock
Get 13 by Tue, Aug 18
In Stock
Get 13 by Tue, Aug 18
Compare
Product Image of .018" Natural Gas Orifice, 390686-4
.018" Natural Gas Orifice, 390686-4
SKU: 390686-4
Resideo
SKU: 390686-4
Brand: Resideo
(3)
$4.19 each
In Stock
Get 84 by Tue, Aug 18
In Stock
Get 84 by Tue, Aug 18
Compare
Product Image of 1/4" Automatic Air Vent, FV147A
1/4" Automatic Air Vent, FV147A
SKU: FV147A
Resideo
SKU: FV147A
Brand: Resideo
(5)
$9.63 each
In Stock
Get 69 by Tue, Aug 18
In Stock
Get 69 by Tue, Aug 18
Compare
Product Image of Water Heater Gas Valve Control, NG - 1.5" Insulation Tank, 4" W.C. Setting, WT8840C1000
$204.97 each
In Stock
Get 27 by Tue, Aug 18
In Stock
Get 27 by Tue, Aug 18
Compare
Product Image of 1/2", 1-Stage Slow-Opening Direct Ignition Gas Valve, 3.5" WC (24V), VR8215T1502
$112.53 each
In Stock
Get 12 by Tue, Aug 18
In Stock
Get 12 by Tue, Aug 18
Compare
Product Image of 1" NPT Supervent Air Eliminator, PV100
$170.37 each
In Stock
Get 34 by Tue, Aug 18
In Stock
Get 34 by Tue, Aug 18
Compare
Product Image of Standard Dual Standing Pilot Gas Valve - 1/2" x 3/4", VR8300A3518
$194.59 each
In Stock
Get 10 by Tue, Aug 18
In Stock
Get 10 by Tue, Aug 18
Compare
Product Image of Direct Ignition Combination 2-Stage Gas Control (24 Vac), VR9205Q1507
$188.24 each
In Stock
Get 8 by Tue, Aug 18
In Stock
Get 8 by Tue, Aug 18
Compare
Product Image of 120 V General Purpose Relay w/ DPDT Switching, R4222D1013
$30.99 each
In Stock
Get 31 by Tue, Aug 18
In Stock
Get 31 by Tue, Aug 18
Compare
Product Image of TK30 Boiler Trim Kit w/ Check Valve, 1" Sweat Air Eliminator, & 4.4 Gal. Expansion Tank, TK30PV100SFM
$359.30 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 & Circulator Aquastat, 100 - 240-Degree(F) Range, 5 - 30-Degree(F) Adj Differential, L6006A1244
$186.79 each
In Stock
Get 41 by Tue, Aug 18
In Stock
Get 41 by Tue, Aug 18
Compare
Product Image of High & Low Limit Aquastat, High = 10°F Diff, Low = 10-25-Degree Adj Differential, L4081A1023
$334.94 each
In Stock
Get 10 by Tue, Aug 18
In Stock
Get 10 by Tue, Aug 18
Compare
Product Image of Intermittent Hot Surface Pilot Ignition SmartValve Control - Step Opening, SV9602P4816
$434.53 each
In Stock
Get 14 by Tue, Aug 18
In Stock
Get 14 by Tue, Aug 18
Compare
Product Image of 18" Thermocouple with Maximum Copel, Q340A1066
18" Thermocouple with Maximum Copel, Q340A1066
SKU: Q340A1066
Resideo
SKU: Q340A1066
Brand: Resideo
(30)
$15.37 each
In Stock
Get 34 by Tue, Aug 18
In Stock
Get 34 by Tue, Aug 18
Compare
Product Image of 2-Stage Dual Direct Ignition Gas Valve - for Lennox, VR8205Q2787T
$248.05 each
In Stock
Get 7 by Tue, Aug 18
In Stock
Get 7 by Tue, Aug 18
Compare
Product Image of Pilot Burner for Natural or LP Gas w/ a BCR-18 Orifice (Right Single Tip Style), Q314A6102
$53.16 each
In Stock
Get 20 by Tue, Aug 18
In Stock
Get 20 by Tue, Aug 18
Compare
Product Image of NK300S Boiler Trim Kit w/ Check Valve, 1" Press Air Eliminator, Press Boiler Feed & 4.4 Gal. Expansion Tank, TK30PV100PNKP
$437.81 each
In Stock
Get 8 by Tue, Aug 18
In Stock
Get 8 by Tue, Aug 18
Compare
Product Image of Pilot Burner for Natural Gas with a BCR-18 Orifice, Q345A1313
$59.89 each
In Stock
Get 27 by Tue, Aug 18
In Stock
Get 27 by Tue, Aug 18
Compare
Product Image of Pilot Burner for Natural or LP gas w/ a Batwing Tip Style, Q327A1626
$61.60 each
In Stock
Get 28 by Tue, Aug 18
In Stock
Get 28 by Tue, Aug 18
Compare
Product Image of 2-Stage Dual Direct Ignition Gas Valve - for Lennox, VR8205Q2795T
$281.67 each
In Stock
Get 7 by Tue, Aug 18
In Stock
Get 7 by Tue, Aug 18
Compare
Product Image of Silicon Carbide Hot Surface Igniter w/ 19-1/8" Leads, Q4100C9046
$24.46 each
In Stock
Get 37 by Tue, Aug 18
In Stock
Get 37 by Tue, Aug 18
Compare
Product Image of Slow Opening Dual Standing Pilot Gas Valve - 3/4" x 3/4", VR8300H4501
$282.70 each
In Stock
Get 9 by Tue, Aug 18
In Stock
Get 9 by Tue, Aug 18
Compare
Product Image of Slow Opening Dual Intermittent Pilot Gas Valve, VR8304H4503
$294.63 each
In Stock
Get 9 by Tue, Aug 18
In Stock
Get 9 by Tue, Aug 18
Compare
Product Image of .011" LP Orifice, 390686-36
.011" LP Orifice, 390686-36
SKU: 390686-36
Resideo
SKU: 390686-36
Brand: Resideo
(2)
$5.11 each
In Stock
Get 61 by Tue, Aug 18
In Stock
Get 61 by Tue, Aug 18
Compare
Product Image of 24 VAC 1 Pole PowerPro Deluxe Definite Purpose Contactor (30 A), DPL1030A5014
$26.67 each
In Stock
Get 12 by Tue, Aug 18
In Stock
Get 12 by Tue, Aug 18
Compare
Product Image of High Limit Remote Bulb Aquastat, 100-200-Degree (F) Range, Manual Reset, L4008E1313
$268.91 each
In Stock
Get 3 by Tue, Aug 18
In Stock
Get 3 by Tue, Aug 18
Compare
Product Image of Protectorelay Oil Burner Control with 15 Seconds Lock Out Timing, R8184G4066
$209.86 each
In Stock
Get 18 by Tue, Aug 18
In Stock
Get 18 by Tue, Aug 18
Compare
Product Image of 24 Vac Dual Intermittent Pilot Gas Valve
24 Vac Dual Intermittent Pilot Gas Valve
SKU: VR8204A2266
Resideo
SKU: VR8204A2266
Brand: Resideo
$79.81 each
In Stock
Get 9 by Tue, Aug 18
In Stock
Get 9 by Tue, Aug 18
Compare
Product Image of Ignitor Flame Rod Assembly, Q3400A1016
Ignitor Flame Rod Assembly, Q3400A1016
SKU: Q3400A1016
Resideo
SKU: Q3400A1016
Brand: Resideo
(6)
$97.06 each
In Stock
Get 9 by Tue, Aug 18
In Stock
Get 9 by Tue, Aug 18
Compare
Product Image of 36" Ignition Cable Assembly, 392125-2
36" Ignition Cable Assembly, 392125-2
SKU: 392125-2
Resideo
SKU: 392125-2
Brand: Resideo
(5)
$52.30 each
In Stock
Get 7 by Tue, Aug 18
In Stock
Get 7 by Tue, Aug 18
Compare
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)
$46.67 each
In Stock
Get 9 by Tue, Aug 18
In Stock
Get 9 by Tue, Aug 18
Compare
Product Image of SmartValve Pilot Burner for LP Gas, BCR-10 Orifice, Left Tip, Bracket Style B, Q3450B1112
$95.66 each
In Stock
Get 11 by Tue, Aug 18
In Stock
Get 11 by Tue, Aug 18
Compare
Product Image of NK300S Boiler Trim Kit w/ Check Valve, 1-1/4" Press Air Eliminator, Press Boiler Feed & 4.4 Gal. Expansion Tank, TK30PV125PNKP
$461.69 each
In Stock
Get 11 by Tue, Aug 18
In Stock
Get 11 by Tue, Aug 18
Compare
Product Image of High Limit, Manual Reset Aquastat Controller w/ 100-Degree (F) to 240-Degree (F) Operating Temp, L4006E1117
$316.44 each
In Stock
Get 9 by Tue, Aug 18
In Stock
Get 9 by Tue, Aug 18
Compare
Product Image of Intermittent Hot Surface Pilot Ignition SmartValve Control, SV9601M4571
$482.97 each
In Stock
Get 7 by Tue, Aug 18
In Stock
Get 7 by Tue, Aug 18
Compare
Product Image of Compression Fitting For 1/4 inch OD Pilot Tubing (1.15"), 386449-4
$5.20 each
In Stock
Get 19 by Tue, Aug 18
In Stock
Get 19 by Tue, Aug 18
Compare
Product Image of AquaPUMP Hydronic 3-Speed Circulator Pump, 34 GPM, PC3F2699IUF00
$490.41 each
In Stock
Get 19 by Tue, Aug 18
In Stock
Get 19 by Tue, Aug 18
Compare
Product Image of 35" Universal Thermopile, 750 mV with PG9 Adapter and Push-In Clip, Q313U3000
35" Universal Thermopile, 750 mV with PG9 Adapter and Push-In Clip, Q313U3000
SKU: Q313U3000
Resideo
SKU: Q313U3000
Brand: Resideo
$80.41 each
In Stock
Get 13 by Tue, Aug 18
In Stock
Get 13 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.