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Showing 1009–1056 of 66198 resultsSorted by popularity

(1-3 Ton) Ultra Start 3-Wire Mechanical Potential Relay Hard Start

Supco

SKU: 3W1
$40.95
MSRP: $47.09
You save 15%
Supco 3W1 (1-3 Ton) Ultra Start 3-Wire Mechanical Potential Relay Hard Start quantity
Replacement UVC Lamp For Ultravation PTXGI-1224 UVPhotoMAX

Ultravation

SKU: AS-IH-1013-1

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TrueZONE Kit DATS/Transform/Panel

Resideo

SKU: HZ221K
$204.99
Honeywell HZ221K TrueZONE Panel Kit DATS/Transform/Panel quantity
SunSlinger 1/4HP 208-230V Condenser Fan Motor, 10754 RPM

Mars

SKU: 20728

$159.90Add to Cart for Savings

Mars 20728 SunSlinger 1/4HP 208-230V Condenser Fan Motor, 10754 RPM quantity
20x20x5 MERV 11 Replacement Media Air Filter

Lennox

SKU: X0585
$52.00
MSRP: $59.80
You save 15%
Lennox X0585 20x20x5 MERV 11 Media Filter quantity
Duct-Mount Manual Control Dehumidistat

GeneralAire

SKU: DHX3
$38.85
MSRP: $95.97
You save 60%
GeneralAire DHX3 Duct-Mount Manual Control Dehumidistat quantity
20Amp Enclosed SPDT Relay

Functional Devices

SKU: RIB2421B

Rated 5.00 out of 5

$43.80Add to Cart for Savings

Functional Devices RIB2421B 20Amp Enclosed SPDT Relay quantity
Modulating Zone Damper Kit Actuator Board, Sensor and Actuator

iO HVAC Controls

SKU: ZD-0000
$172.23
Modulating Commercial Zone Damper Kit (includes actuator, actuator board and sensor) quantity
Nest Learning Thermostat in White, Auto-Schedule

Nest

SKU: T3017US
$249.99
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Programmable Heat Pump Thermostat with Smart IAQ

Aprilaire

SKU: 8920W
$551.99
Aprilaire 8920W Programmable Heat Pump Thermostat with Smart IAQ quantity
Universal Electronic Ignition Pilot Gas Valve

Resideo

SKU: VR8345M4302
$164.19
Honeywell VR8345M4302 Universal Electronic Ignition Pilot Gas Valve quantity
Retail Non-Programmable Thermostat

Resideo

SKU: RTH5160D1003

Rated 5.00 out of 5
$39.99
Read more
1/2″ Boiler Feed Combination Valve

Resideo

SKU: NK300S-100
$229.78
Honeywell NK300S-100 1/2in Boiler Feed Combination Valve quantity
Outdoor/Duct Mount Temperature Sensor with Automatic Control

Aprilaire

SKU: 8052
$8.55
MSRP: $9.83
You save 15%
Aprilaire 8052 Outdoor/Duct Mount Temperature Sensor quantity
Titan ProCap 60 MFD, 370V, Round Run Capacitor

Packard

SKU: TRC60
$15.29
MSRP: $17.58
You save 15%
Packard TRC60 Titan ProCap 60 MFD, 370V, Round Run Capacitor quantity
Titan HD 5 MFD, 440/370V, Oval Run Capacitor

Packard

SKU: POCF5A
$7.38
MSRP: $8.49
You save 15%
Packard POCF5A Titan HD 5 MFD, 440/370V, Oval Run Capacitor quantity
Danfoss 032F0185 EVR10 Service Parts Kit – Complete Maintenance Kit for EVR Series Solenoid Valves

Danfoss

SKU: 032F0185
$76.91
MSRP: $88.45
You save 15%
Danfoss 032F0185 EVR10 Service Parts Kit – Complete Maintenance Kit for EVR Series Solenoid Valves quantity
Navien 30011532B T405-196R Adjustable Water Valve for Boilers and Water Heaters

Navien

SKU: 30011532B
$51.21
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Navien 30010780C Circulation Pump – OEM Replacement for NPE Series Tankless Water Heaters

Navien

SKU: 30010780C
$143.44
MSRP: $175.16
You save 18%
Navien 30010780C Circulation Pump – OEM Replacement for NPE Series Tankless Water Heaters quantity
1/8″ threaded sleeve nut tube connector for RV20 gas regulators

Maxitrol

SKU: 11A08
$5.64
MSRP: $6.49
You save 13%
Maxitrol 11A08 Threaded Sleeve Nut – 1/8" Tube Connector for RV20 quantity
Cielo Smart Thermostat Eco Black

Cielo

SKU: TE102WA
$99.00
Cielo TE102WA Cielo Smart Thermostat Eco Black quantity
Azure Bluetooth Control Direct Drive Blower 1/2-1HP For X13

Mars

SKU: 10859

Rated 5.00 out of 5

$413.71Add to Cart for Savings

Mars 10859 Azure Bluetooth Control Direct Drive Blower 1/2-1HP For X13 quantity
10-Year Battery Smoke Alarm With Slim Profile Design

BRK

SKU: SM210
$34.02
Read more
NAVAC N2A4B Manifold Gauge R32 Compatible – Plus R410A, R-22 and R-454B

NAVAC

SKU: N2A4B
$124.00
NAVAC N2A4B Manifold Gauge R32 Compatible - Plus R410A, R-22 and R-454B quantity
Aprilaire 8120X Ventilation Control for 8140 Fresh Air Ventilator

Aprilaire

SKU: 8120X
$97.99
MSRP: $112.69
You save 15%
Aprilaire 8120X Ventilation Control for 8140 Fresh Air Ventilator quantity
SmartPlug Instant Hot Water Control

Taco Comfort Solutions

SKU: SP115-1

Rated 5.00 out of 5
$134.88
MSRP: $155.11
You save 15%
Taco SP115-1 SmartPlug Instant Hot Water Control quantity
Foot Mounted 120 Vac Transformer – 9″ Lead Wires

Resideo

SKU: AT120B1028
$17.99
Honeywell AT120B1028 Foot Mounted 120 VAC Transformer W/ 9in Leadwires End Bells quantity
Refrigerant Line Cleaning System

Supco

SKU: RLC100
$402.99
MSRP: $463.44
You save 15%
Supco RLC100 Refrigerant Line Cleaning System quantity
Bi-Metal 6″ Wood/Metal Cutting Reciprocating Saw Blade

Spyder

SKU: 200180
$5.63
MSRP: $6.47
You save 15%
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Titan 4-Valve Test and Charging Manifold, No Hose

Yellow Jacket

SKU: 49963
$211.07
Yellow Jacket 49963 Titan 4-Valve Test and Charging Manifold, No Hose quantity
ICM Controls ICM870-9A Soft Start

ICM Controls

SKU: ICM870-9A

Rated 3.00 out of 5

Add to Cart for Savings

ICM Controls ICM870-9A Soft Start quantity
SmartSensor for Doors and Windows, 2-Pack

ecobee

SKU: EB-DWSHM2PK-01
$79.99
ecobee EB-DWSHM2PK-01 SmartSensor for Doors and Windows, 2-Pack quantity
Digital 5/1/1-Day Programmable Thermostat, 2H/1C, Heat Pump, 24V

Pro1 IAQ

SKU: T625-2
$79.99
MSRP: $119.91
You save 33%
PRO1 T625-2 Digital 5/1/1-Day Programmable Thermostat, 2H/1C, Heat Pump, 24V quantity
BreakFree Cordless Vacuum Pump 2CFM and Dual-Stage

NAVAC

SKU: NP2DLM
$614.67
NAVAC NP2DLM BreakFree Cordless Vacuum Pump, 2CFM and Dual-Stage quantity
24V 50/60Hz replacement motor for zone valves and fan coil valves

Honeywell Home

SKU: 802360UA
$59.10
Honeywell 802360UA 24V 50/60Hz Zone Valve Replacement Motor quantity
Universal Integrated 3-Speed Furnace Control Kit

White-Rodgers

SKU: 21M51U-843
$255.49
White-Rodgers 21M51U-843 Universal Integrated Furnace Control Kit quantity
Fresh Air Ventilation System with TrueZONE Damper

Resideo

SKU: Y8150A1017
$254.28
Honeywell Y8150A1017 Fresh Air Ventilation System with TrueZONE Damper quantity
18 AWG 4C Str Shielded Riser, Gray, 1000ft Reel

Genesis

SKU: TS-18/4 (Large Reel)
$323.03
MSRP: $371.48
You save 15%
Genesis 22151009 18-4 Twisted, Shielded, Non-Plenum-rated Wire (1000' roll) quantity
3/4″ Sweat, Three-Way Diverting Zone Valve

Resideo

SKU: V8044A1044
$147.25
Honeywell V8044A1044 24V Hydronic Zone Valve with 3/4in Sweat quantity
Scrubs in a Bucket Portable Pop-Up Cloths

Energy Saving Products (ESP)

SKU: SB72
$21.23
MSRP: $25.29
You save 16%
ESP SB72 Scrubs-In-A-Bucket Portable Pop-Up Cloths quantity
T5 Retail Touchscreen Thermostat

Honeywell Home

SKU: RTH8560D1002

Rated 5.00 out of 5
$83.99
Honeywell RTH8560D1002 T5 Retail Touchscreen Thermostat quantity
Immersion Temperature Sensor, 10K NTC Thermistor, 4″ Probe, 1/2″ NPT

MAMAC

SKU: TE-703-C-12-A-3
$16.60
MSRP: $19.09
You save 15%
MAMAC Systems TE-703-C-12-A-3 Immersion Temperature Sensor, 10K NTC Thermistor quantity
Replacement Diaphragm for MK-3xxx Series Pneumatic Actuators

Schneider Electric

SKU: PND-2-1
$59.80
MSRP: $68.77
You save 15%
Schneider Electric (Barber Colman) PND-2-1 Diaphragm for MK-3xxx Series quantity
MCS Board – HVAC Control Module PCB Replacement

Friedrich

SKU: 62623301
$1,672.99
MSRP: $1,923.94
You save 15%
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Natural Nylon Cable Tie, 36″, 50-Pack

DiversiTech

SKU: 7-P36
$20.50
MSRP: $23.58
You save 15%
DiversiTech 7-P36 Natural Nylon Cable Tie, 36", 50-Pack quantity
Pan-Kote 641-14 Drain Pan Patch, Rubberized Aerosol Coating, 14 oz

DiversiTech

SKU: 641-14
$22.99
MSRP: $26.44
You save 15%
DiversiTech Pan-Kote 641-14 Drain Pan Patch, Rubberized Aerosol Coating, 14 oz quantity
SPDCHN, 4in Adj Flat Bend

SpeediChannel

SKU: 230-AFB4
$29.40
MSRP: $33.81
You save 15%
SpeediChannel 230-AFB4 SPDCHN, 4in Adj Flat Bend quantity