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Showing 433–480 of 67605 resultsSorted by popularity

Heat Pump Riser, 3″, Recycled Polypropylene

DiversiTech

SKU: HPR-3
$3.65
MSRP: $4.20
You save 15%
DiversiTech HPR-3 Heat Pump Riser, 3", Recycled Polypropylene quantity
R32 HVAC Refrigerant 20lb Cylinder Tank

Generic

SKU: R32

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Universal thermostat wall plate cover, white, 5.5″H x 7.5″W

Pro1 IAQ

SKU: T119
$9.80
MSRP: $14.75
You save 34%
PRO1 T119 Universal Thermostat Wall Plate Cover, White quantity
Tamper-Resistant Battery Operated Electrochemical CO Alarm

BRK

SKU: CO400B
$24.99
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Universal Wireless Thermostat Kit with BlueLink

Braeburn

SKU: 7500
$122.99
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D-Z1-XX Round Two-Position Stand-Alone Damper

iO HVAC Controls

SKU: D-Z1-XX
Price range: $317.25 through $1,347.71
Select options
This product has multiple variants. The options may be chosen on the product page
Heavy Duty Magnetic Umbrella Kit, Waterproof

Supco

SKU: MUKIT

Rated 5.00 out of 5
$71.99
MSRP: $82.79
You save 15%
Supco MUKIT Magnetic Umbrella Kit, Heavy-Duty and Waterproof quantity
Modulating Round Auxiliary Dampers

iO HVAC Controls

SKU: VIRT-SDROUND
Price range: $179.69 through $359.37
Select options
This product has multiple variants. The options may be chosen on the product page
Aerus Air Scrubber 9960052 (A1013U) Ozone Free Whole Home Air Purifier W/ ActivePure Technology For Surface & Air Contaminant Reduction

Aerus

SKU: 9960052

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Aprilaire 1910 25x20in MERV 11 Media Air Cleaner

Aprilaire

SKU: 1910
$119.99
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Dundas Jafine SDV4WXZW4 Soffit Dryer Vent Cap

Dundas Jafine

SKU: SDV4WXZW4
$11.49
MSRP: $13.23
You save 13%
Dundas Jafine SDV4WXZW4 Soffit Dryer Vent Cap quantity
18mm/.75″ Solenoid Valve Operating Magnet

MA-Line

SKU: MA-SVOM18
$29.73
MSRP: $34.19
You save 15%
MA-Line MA-SVOM18 Solenoid Valve Operating Magnet quantity
PRO 1H/1C Non-Programmable Digital Thermostat

Honeywell Home

SKU: TH3110D1008
$39.99
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Control Panel 3 Zone 2H/2C, Up to 3 Zones

Resideo

SKU: HZ322

Rated 5.00 out of 5
$216.99
Honeywell TrueZONE HZ322 3-Zone Control Panel, 2H/2C quantity
MaxiBlue Condensate Pump Mini Split HVAC Drain Pump

Blue Diamond

SKU: X87-711
$204.99
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T10+ Thermostat Kit with Sensor

Resideo

SKU: YTHM1004R3000
$435.28
Honeywell YTHM1004R3000 T10+ Thermostat Kit with Sensor quantity
Econostat Low Temp Heat Only Mechanical Thermostat

Resideo

SKU: T822K1042

Rated 5.00 out of 5
$43.51
Honeywell T822K1042 Econostat Low Temp Heat Only Mechanical Thermostat quantity
7-Day/5-1-1 Programmable Thermostat, 1H/1C, 8 Sq In Display

Pro1 IAQ

SKU: T805
$83.99
MSRP: $183.27
You save 54%
PRO1 T805 Digital 7-Day/5-1-1 Programmable Thermostat, 1H/1C, 8 Sq In Display, 24V quantity
Nu-Calgon 4050-08 EasySeal Ultimate-LS (Tubed Leak Sealant)

Nu-Calgon

SKU: 4050-08
$59.99
MSRP: $68.99
You save 15%
Nu-Calgon 4050-08 EasySeal Ultimate-LS (Tubed Leak Sealant) quantity
Programmable Wi-Fi thermostat for 2H/1C heat pump systems

Pro1 IAQ

SKU: T721I
$111.99
MSRP: $207.90
You save 46%
PRO1 T721I Digital Programmable Wi-Fi Thermostat, 2H/1C, Heat Pump, App Control, 24V quantity
75VA Transformer with Circuit Breaker

Functional Devices

SKU: TR-75

$55.35Add to Cart for Savings

TR-75 75VA Transformer with Circuit Breaker quantity
L2 WiFi Water Sensor and Switch Leak Detector

First Alert

SKU: TWLD3005-001

$95.61Add to Cart for Savings

First Alert TWLD3005-001 L2 WiFi Water Sensor And Switch Leak Detector quantity
Nu-Tone C-Frame Replacement Motor, 1-3/8in Stack

Packard

SKU: 65345

Rated 5.00 out of 5
$52.25
MSRP: $60.08
You save 15%
Packard 65345 Nu-Tone C-Frame Replacement Motor, 1-3/8in Stack quantity
Remote with Red Alarm LED, Key Test Reset

Air Products and Controls

SKU: MS-KA/R
$55.55
MSRP: $63.88
You save 13%
APC MS-KA/R Remote Alarm LED and Test/Reset for Duct Smoke Detectors quantity
Retrofit Round and Rectangular Compatible Dampers

iO HVAC Controls

SKU: CRD-XX
Price range: $153.39 through $173.42
Select options
This product has multiple variants. The options may be chosen on the product page
Nu-Calgon 5010-21 NuStart Compressor Soft Starter, Single Phase, 208/230VAC, 16-32A FLA/RLA

Nu-Calgon

SKU: 5010-21

Rated 5.00 out of 5
$272.99
MSRP: $350.32
You save 22%
Nu-Calgon 5010-21 NuStart Compressor Soft Starter, Single Phase, 208/230VAC, 16-32A FLA/RLA quantity
Non-Integrated Universal Replacement Module

White-Rodgers

SKU: 50E47-843

Rated 4.75 out of 5

$157.21Add to Cart for Savings

White-Rodgers 50E47-843 Non-Integrated Hot Surface Ignition Module quantity
2-Zone Single Stage Zone Control Panel with ESP

iO HVAC Controls

SKU: ZP2-HC-ESP

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Softstart Home 3 Ton

DiversiTech

SKU: SSH3T

Rated 4.75 out of 5
$267.99
MSRP: $308.19
You save 15%
DiversiTech SSH3T SoftStart Home Soft Starter for Central AC & Heat Pump | Up to 3-Ton 32000 BTU | 110V-220V quantity
20″ x 25″ x 5″ MERV 11 Disposable Media Filter

Lennox

SKU: X6673
$40.85
MSRP: $46.98
You save 15%
Lennox X6673 20x25x5 MERV 11 Media Filter quantity
Line Voltage Smoke and CO Alarm

Nest

SKU: S3005PWLUS
$148.99
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Clamp-On Safety Overflow Pan Switch, Float, HVAC Drain Pan

Asurity

SKU: CC-1

Rated 5.00 out of 5
$14.65
MSRP: $16.85
You save 15%
Asurity CC-1 Clamp-On Safety Overflow Pan Switch, Float, HVAC Drain Pan quantity
Control Panel 3 Zone 1H/1C, Up to 3 Zones

Resideo

SKU: HZ311
$133.99
Honeywell TrueZONE HZ311 3-Zone Control Panel, 1H/1C quantity
Titan ProCap 35+5 MFD, 440/370V, Round Dual Run Capacitor

Packard

SKU: TRCFD355
$7.20
MSRP: $8.28
You save 15%
Packard TRCFD355 Titan ProCap 35+5 MFD, 440/370V, Round Dual Run Capacitor quantity
Zephyr 20 x 36 x 3 MERV 13 Return Grille Filter

Zephyr

SKU: M1332036
$48.99
MSRP: $56.34
You save 13%
Zephyr 20 x 36 x 3 MERV 13 Return Grille Filter quantity
Replacement Valve for Bradford White Ultra Low Water Heaters

Resideo

SKU: WT8860A1000

Rated 5.00 out of 5
$221.53
Honeywell WT8860A1000 Replacement Valve for Bradford White Water Heaters quantity
Electronic High Filtration Air Cleaner

Honeywell Home

SKU: F300EXXXX

Rated 4.20 out of 5
Price range: $768.99 through $891.33
Select options
This product has multiple variants. The options may be chosen on the product page
5/1/1-Day Programmable Digital Heat Pump Thermostat, 2H/1C

Pro1 IAQ

SKU: T725
$64.50
MSRP: $133.23
You save 52%
PRO1 T725 Digital 5/1/1-Day Programmable Thermostat, 2H/1C, Multi-Stage, 24V quantity
RM Series Rectangular Dampers Compatible With Rheem

iO HVAC Controls

SKU: RM-XXXX
Price range: $219.84 through $489.67
Select options
This product has multiple variants. The options may be chosen on the product page
Nu-Calgon Nu-Brite Condenser Coil Cleaner – 1 Gallon

Nu-Calgon

SKU: 4291-08

Rated 5.00 out of 5
$64.99
MSRP: $74.74
You save 15%
Read more
Heavy Duty 36″ Cable Zip Ties 100-Pack, Natural White, 175lb Tensile Strength

Jackson Systems

SKU: ZIPTIE-36inWhite100
$14.99
MSRP: $37.94
You save 60%
Heavy Duty 36" Cable Zip Ties 100-Pack, Natural White, 175lb Tensile Strength quantity
Maxitrol 325-5L-3/4 Line Pressure Gas Regulator 3/4″

Maxitrol

SKU: 325-5L-3/4
$48.45
MSRP: $55.72
You save 15%
Maxitrol 325-5L-3/4 Line Pressure Gas Regulator 3/4" quantity
Electric Heat Relay, 240 VAC

White-Rodgers

SKU: 24A01G-3

Rated 5.00 out of 5
$79.99
MSRP: $170.72
You save 53%
White-Rodgers 24A01G-3 Electric Heat Relay, 240 VAC quantity
6-Zone Universal Zone Control Panel with ESP

iO HVAC Controls

SKU: ZP6-ESP

$719.60Add to Cart for Savings

iO HVAC Controls ZP6-ESP 6-Zone Universal 4H/2C Zone Panel with ESP quantity
EMS Si Wi-Fi Thermostat for Energy Management

ecobee

SKU: EB-EMSSi-01

Rated 5.00 out of 5
$194.99
Read more
HD-XXXX-PO Side Mount Position Open Dampers

iO HVAC Controls

SKU: HD-XXXX-PO
Price range: $219.35 through $570.77
Select options
This product has multiple variants. The options may be chosen on the product page
Pro Condensate Pump, 120V, 16 ft Lift, Built-In Safety Switch

Asurity

SKU: PROCP-16

Rated 5.00 out of 5
$47.99
MSRP: $55.19
You save 15%
Asurity PROCP-16 Pro Condensate Pump, 120V, 16 ft Lift, Built-In Safety Switch quantity