Apply to be a TradeMaster!
Filter menu expanded

Filters

517 items
Reset

SORT

Product Availability
–

Show In Stock Only (482)

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 (23)
$15 to $20 (13)
$20 to $25 (19)
$25 to $30 (20)
$30 to $35 (20)
$35 to $40 (7)
$40 to $45 (4)
$45 to $50 (11)

Resideo

Resideo
Help Face
Need a little help?
517 items
Grid
List
Compare
Product Image of Silicon Carbide Hot Surface Igniter w/ 5-11/16" Leads, Q4100C9070
$24.13 each
In Stock
Get 6 by Mon, Oct 5
In Stock
Get 6 by Mon, Oct 5
Compare
Product Image of TK60 Boiler Trim Kit w/ 1-1/2" FNPT Air Eliminator & Double-Check Backflow Preventer, TK60PV150NK
$588.67 each
Out of Stock
Get it by Thu, Oct 15 - Thu, Oct 22
Out of Stock
Get it by Thu, Oct 15 - Thu, Oct 22
Compare
Product Image of Pressuretrol, PA404B1023
Pressuretrol, PA404B1023
SKU: PA404B1023
Resideo
SKU: PA404B1023
Brand: Resideo
$398.29 each
In Stock
Get 3 by Tomorrow, Oct 1
In Stock
Get 3 by Tomorrow, Oct 1
Compare
Product Image of Two Rod Direct Spark Ignition Control w/ 6 Second Trial and Lockout Timing, S87C1006
$372.91 each
Backorder
Get it by Thu, Oct 29 - Fri, Nov 27
Backorder
Get it by Thu, Oct 29 - Fri, Nov 27
Compare
Product Image of Limit Control w/ Manual Reset, 125 F Fixed Range and 3" Insertion, L4029E1227
Limit Control w/ Manual Reset, 125 F Fixed Range and 3" Insertion, L4029E1227
SKU: L4029E1227
Resideo
SKU: L4029E1227
Brand: Resideo
$197.41 each
In Stock
Get 3 by Mon, Oct 5
In Stock
Get 3 by Mon, Oct 5
Compare
Product Image of 1/2" Sweat Connection Thermometer w/ 2" Dial Size, GS200
$28.84 each
In Stock
Get 245 by Tomorrow, Oct 1
In Stock
Get 245 by Tomorrow, Oct 1
Compare
Product Image of Conduit Clamp Mounted Transformer w/ 9" Lead Wires, 120 VAC, AT20B1056
$39.96 each
In Stock
Get 11 by Mon, Oct 5
In Stock
Get 11 by Mon, Oct 5
Compare
Product Image of 20 Micron Screen Kit for F76S Water Filter (1.5" - 2"), AF11S-11/2B
$208.69 each
In Stock
Get 4 by Mon, Oct 5
In Stock
Get 4 by Mon, Oct 5
Compare
Product Image of 2 Stage LP to Natural Gas Conversion Kit, 396025
$22.90 each
In Stock
Get 3 by Tomorrow, Oct 1
In Stock
Get 3 by Tomorrow, Oct 1
Compare
Product Image of Plate Mounted Relay Receptacle, Q633A1007
Plate Mounted Relay Receptacle, Q633A1007
SKU: Q633A1007
Resideo
SKU: Q633A1007
Brand: Resideo
$58.95 each
Backorder
Get it by Thu, Oct 29 - Fri, Nov 27
Backorder
Get it by Thu, Oct 29 - Fri, Nov 27
Compare
Product Image of Air Pressure Switch, .30 To 12.0" WC, SPST, AP5210-30
$253.69 each
In Stock
Get 1 by Tomorrow, Oct 1
In Stock
Get 1 by Tomorrow, Oct 1
Compare
Product Image of 24 Vac 3 Pole PowerPro Deluxe Definite Purpose Contactor w/ Lug Connectors, DP3060A5001
$152.52 each
In Stock
Get 1 by Tomorrow, Oct 1
In Stock
Get 1 by Tomorrow, Oct 1
Compare
Product Image of 120 VAC 4 Pole PowerPro Deluxe Definite Purpose Contactor (40 A), DPL4040B5001
$130.96 each
Out of Stock
Get it by Thu, Oct 15 - Thu, Oct 22
Out of Stock
Get it by Thu, Oct 15 - Thu, Oct 22
Compare
Product Image of Plate Mounted 120 Vac Transformer w/ 9 in. Lead Wires w/ 1/2" Female Conduit Spud w/ 32" Lead Wires, AT72D1048
$64.73 each
In Stock
Get 1 by Tomorrow, Oct 1
In Stock
Get 1 by Tomorrow, Oct 1
Compare
Product Image of Pilot Burner for Natural Gas w/ a BCR-18 Orifice (Front Single Tip Style), Q314A3513
$63.70 each
In Stock
Get 6 by Mon, Oct 5
In Stock
Get 6 by Mon, Oct 5
Compare
Product Image of Silicon Carbide Hot Surface Igniter w/ 5-1/4" Leads, Q4100C9066
$27.93 each
In Stock
Get 4 by Tomorrow, Oct 1
In Stock
Get 4 by Tomorrow, Oct 1
Compare
Product Image of Air Pressure Switch Product, Style E121, AP5027-30
$194.60 each
In Stock
Get 3 by Tomorrow, Oct 1
In Stock
Get 3 by Tomorrow, Oct 1
Compare
Product Image of Plug Connector for Developing Wiring, 394590
$1.97 each
In Stock
Get 200 by Tomorrow, Oct 1
In Stock
Get 200 by Tomorrow, Oct 1
Compare
Product Image of Limit Control w/ manual reset, 240 F fixed range and 3" insertion, L4029E1045
$207.31 each
In Stock
Get 1 by Mon, Oct 5
In Stock
Get 1 by Mon, Oct 5
Compare
Product Image of Silicon Carbide Hot Surface Igniter w/ 5" Leads, Q4100C9052
$22.50 each
In Stock
Get 3 by Tomorrow, Oct 1
In Stock
Get 3 by Tomorrow, Oct 1
Compare
Product Image of Replacement Air Vent for Union Hydraulic Separator, HS-VENTUNION
$23.18 each
In Stock
Get 2 by Mon, Oct 5
In Stock
Get 2 by Mon, Oct 5
Compare
Product Image of Silicon Carbide Hot Surface Igniter w/ 5-5/16" Leads, Q4100C9072
$26.04 each
In Stock
Get 6 by Mon, Oct 5
In Stock
Get 6 by Mon, Oct 5
Compare
Product Image of 208/240 VAC 2 Pole PowerPro Deluxe Definite Purpose Contactor (30 A), DPL2030C5011
$46.29 each
Out of Stock
Get it by Thu, Oct 15 - Thu, Oct 22
Out of Stock
Get it by Thu, Oct 15 - Thu, Oct 22
Compare
Product Image of Channel Frame or Foot Mounted 240 Vac Transformer with 9 in. Lead Wires, AT40A1139
$59.44 each
In Stock
Get 3 by Mon, Oct 5
In Stock
Get 3 by Mon, Oct 5
Compare
Product Image of TK60 Boiler Trim Kit w/ 1-1/2" Sweat Air Eliminator & Double-Check Backflow Preventer, TK60PV150SNK
$567.03 each
In Stock
Get 17 by Tomorrow, Oct 1
In Stock
Get 17 by Tomorrow, Oct 1
Compare
Product Image of AquaReset Wireless Outdoor Reset Module, W8735Y1000
$342.09 each
In Stock
Get 1 by Tomorrow, Oct 1
In Stock
Get 1 by Tomorrow, Oct 1
Compare
Product Image of 2" Flanged Hydraulic Separator, HYDROSEP-105-F
2" Flanged Hydraulic Separator, HYDROSEP-105-F
SKU: HYDROSEP-105-F
Resideo
SKU: HYDROSEP-105-F
Brand: Resideo
$2,334.36 each
In Stock
Get 1 by Mon, Oct 5
In Stock
Get 1 by Mon, Oct 5
Compare
Product Image of WiFi Actuator w/ Leak Detector and 1/2" NPT Ball Valve
$358.50 each
In Stock
Get 2 by Tomorrow, Oct 1
In Stock
Get 2 by Tomorrow, Oct 1
Compare
Product Image of 6" Flanged Hydraulic Separator, HYDROSEP-110-F
6" Flanged Hydraulic Separator, HYDROSEP-110-F
SKU: HYDROSEP-110-F
Resideo
SKU: HYDROSEP-110-F
Brand: Resideo
$6,833.57 each
Backorder
Get it by Fri, Oct 30 - Wed, Dec 2
Backorder
Get it by Fri, Oct 30 - Wed, Dec 2
Compare
Product Image of Foot Mounted 277 Vac Transformer w/ 12" Lead Wires & Energy Limiting Overload Protection, AT87A1189
$82.09 each
In Stock
Get 4 by Tomorrow, Oct 1
In Stock
Get 4 by Tomorrow, Oct 1
Compare
Product Image of Wet Rotor Universal ECM Cast Iron Circulator, 120V, PCVF-ECM2020
$343.89 each
In Stock
Get 7 by Mon, Oct 5
In Stock
Get 7 by Mon, Oct 5
Compare
Product Image of Hi-Limit Aquastat
Hi-Limit Aquastat
SKU: L7248L1105
Resideo
SKU: L7248L1105
Brand: Resideo
$128.49 each
In Stock
Get 1 by Tomorrow, Oct 1
In Stock
Get 1 by Tomorrow, Oct 1
Compare
Product Image of High Limit, Manual Aquastat Controller w/ 130-Degree(F) to 270-Degree(F) Operating Temp, L4006E1042
$299.85 each
In Stock
Get 3 by Mon, Oct 5
In Stock
Get 3 by Mon, Oct 5
Compare
Product Image of Replacement Air Vent for Flanged Hydraulic Separator, HS-VENTFLANGED
$67.27 each
In Stock
Get 3 by Tomorrow, Oct 1
In Stock
Get 3 by Tomorrow, Oct 1
Compare
Product Image of 2" Union NPT Adapters (Pair), HS-NPT-105
2" Union NPT Adapters (Pair), HS-NPT-105
SKU: HS-NPT-105
Resideo
SKU: HS-NPT-105
Brand: Resideo
$115.38 each
In Stock
Get 9 by Mon, Oct 5
In Stock
Get 9 by Mon, Oct 5
Compare
Product Image of Outdoor Reset Module for L7224/L7248 Series 2 (Includes Outdoor Sensor), W8735S1000
$511.06 each
In Stock
Get 2 by Tomorrow, Oct 1
In Stock
Get 2 by Tomorrow, Oct 1
Compare
Product Image of 1/4" Barbed Vent Fitting, 392877
1/4" Barbed Vent Fitting, 392877
SKU: 392877
Resideo
SKU: 392877
Brand: Resideo
$11.40 each
In Stock
Get 1 by Mon, Oct 5
In Stock
Get 1 by Mon, Oct 5
Compare
Product Image of Complete Valve Insert for NK300S-100 and NK300S-100UP, w/out Sieve, D04FMA-1/2
$53.24 each
Backorder
Get it by Thu, Oct 29 - Fri, Nov 27
Backorder
Get it by Thu, Oct 29 - Fri, Nov 27
Compare
Product Image of TK60 Boiler Trim Kit w/ 2" IPS Air Eliminator & Double-Check Backflow Preventer, TK60PV200NK
$628.20 each
In Stock
Get 2 by Tomorrow, Oct 1
In Stock
Get 2 by Tomorrow, Oct 1
Compare
Product Image of Gas Valve J-390, VR8615VB1036B
Gas Valve J-390, VR8615VB1036B
SKU: VR8615VB1036B
Resideo
SKU: VR8615VB1036B
Brand: Resideo
$246.57 each
In Stock
Get 10 by Mon, Oct 5
In Stock
Get 10 by Mon, Oct 5
Compare
Product Image of XPS-160V 1-1/4" Female NPT Thermal Expansion Tank, Vertical (86 Gallon)
$1,166.64 each
In Stock
Get 2 by Wed, Oct 7 - Mon, Oct 12
In Stock
Get 2 by Wed, Oct 7 - Mon, Oct 12
Compare
Product Image of Silicon Carbide Hot Surface Igniter w/ 5-1/4" Leads, Q4100C9048
$22.50 each
In Stock
Get 19 by Tomorrow, Oct 1
In Stock
Get 19 by Tomorrow, Oct 1
Compare
Product Image of Foot Mounted 480 Vac Transformer w/ 12" Lead Wires & Internally Fused Secondary for Overload Protection, AT88A1047
$161.36 each
In Stock
Get 5 by Mon, Oct 5
In Stock
Get 5 by Mon, Oct 5
Compare
Product Image of WiFi Actuator w/ Leak Detector and 1-1/4" NPT Ball Valve
$503.69 each
In Stock
Get 1 by Tomorrow, Oct 1
In Stock
Get 1 by Tomorrow, Oct 1
Compare
Product Image of Dual Intermittent Pilot Gas Valve, VR4304M4519
Dual Intermittent Pilot Gas Valve, VR4304M4519
SKU: VR4304M4519
Resideo
SKU: VR4304M4519
Brand: Resideo
$369.51 each
In Stock
Get 10 by Mon, Oct 5
In Stock
Get 10 by Mon, Oct 5
Compare
Product Image of Amplified Gas Air Valve for Lennox Systems, VR9205R2363T
$228.82 each
In Stock
Get 6 by Mon, Oct 5
In Stock
Get 6 by Mon, Oct 5
Compare
Product Image of Standard Dual 2-Stage Intermittent Pilot Gas Valve, VR8304Q4511
$360.36 each
In Stock
Get 5 by Mon, Oct 5
In Stock
Get 5 by Mon, Oct 5
Compare
Product Image of 1/2"-3/4" Black Filter Bowl with O-Ring for DS06, SB06T-1/2
1/2"-3/4" Black Filter Bowl with O-Ring for DS06, SB06T-1/2
SKU: SB06T-1/2
Resideo
SKU: SB06T-1/2
Brand: Resideo
$102.84 each
In Stock
Get 5 by Mon, Oct 5
In Stock
Get 5 by Mon, Oct 5
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.