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Showing 337–384 of 65995 resultsSorted by popularity

Whole Home Air Purifier with Angled Cabinet Extension

Aprilaire

SKU: 1610

Rated 5.00 out of 5
$199.99
AprilAire 1610 Whole-House Air Purifier quantity
Universal Twinning Kit with 20VA Transformer

iO HVAC Controls

SKU: iO-TWIN-TR

Rated 5.00 out of 5

$286.71Add to Cart for Savings

iO HVAC iO-TWIN-TR Universal Twinning Kit with 20VA Transformer quantity
PRO Non-Programmable Heat Pump Thermostat

Resideo

SKU: TH3210D1004
$58.99
Read more
Retail Economy Heat Only Thermostat

Honeywell Home

SKU: CT30A1005
$18.99
MSRP: $21.84
You save 15%
Honeywell CT30A1005 Retail Economy Heat Only Thermostat quantity
Nu-Calgon 4219-12 Foam-Tite Insulation Foam Tape (30 Foot Roll)

Nu-Calgon

SKU: 4219-12
$17.02
MSRP: $19.57
You save 15%
Nu-Calgon 4219-12 Foam-Tite Insulation Foam Tape (30 Foot Roll) quantity
Thermocouple – 36″ Length, 30mV Open Circuit

Resideo

SKU: Q340A1090

Rated 4.67 out of 5
$12.90
Honeywell Q340A1090 36in Thermocouple quantity
6-Zone Universal Zone Control Panel

iO HVAC Controls

SKU: ZP6

Rated 3.00 out of 5

$559.69Add to Cart for Savings

iO HVAC Controls ZP6 6-Zone Universal 3H/2C Zone Panel quantity
Solenoid with Continuous Duty, Normally Open

White-Rodgers

SKU: 124-105111

Rated 5.00 out of 5
$50.99
MSRP: $107.33
You save 52%
White-Rodgers 124-105111 Solenoid with Continuous Duty, Normally Open quantity
Multi-Pleat 16″ x 25″ x 1″ Air Filter, MERV 8

Koch Filter Corporation

SKU: 102-700-007
$5.60
Read more
50VA Class II Transformer, 480/277/240/208/120 to 24VAC

Functional Devices

SKU: TR50VA015

Rated 5.00 out of 5

$39.15Add to Cart for Savings

Functional Devices TR50VA015 50VA Class II Transformer quantity
Replacement Collection of CVENT Caps

DiversiTech

SKU: CVENTCAP

Rated 5.00 out of 5
Price range: $9.79 through $28.88
Select options
This product has multiple variants. The options may be chosen on the product page
Universal WiFi smart thermostat, 2H/2C multi-stage, 7-day programmable

Pro1 IAQ

SKU: T855ISH

Rated 5 out of 5
$168.99
MSRP: $310.09
You save 46%
PRO1 IAQ T855iSH Universal WiFi Smart Thermostat – 2H/2C Multi-Stage, 7-Day Programmable quantity
16x25x5 MERV 11 Replacement Cartridge Media Filter

Field Controls

SKU: 46568500
$28.35
MSRP: $32.60
You save 15%
Field Controls 46568500 (FCRM11-1625) 16x25x5 MERV 11 Replacement Cartridge Media Air Cleaner Filter quantity
Sail Switch With 5in Wide Sail – Air Flow Switch

Resideo

SKU: S688A1007
$79.46
Resideo/Honeywell S688A1007 Sail Switch With 5in Wide Sail quantity
35in-lb Spring-Return Damper Actuator with Fail-Safe

Belimo

SKU: LF120-US
$289.35
Belimo LF120-US 35 in-lb Damper Actuator Spring Return quantity
Non-Programmable Multi-Stage 2H/1C Wall Thermostat

Robertshaw

SKU: RS8210
$51.10
MSRP: $72.04
You save 29%
Robertshaw RS8210 Non-Programmable Multi-Stage Wall Thermostat, 2H/1C quantity
Mersen 3 Phase Surge-Trap Protective Device (277/480v)

Robertshaw

SKU: STXR480Y05

Rated 5.00 out of 5
$155.15
MSRP: $260.56
You save 40%
Robertshaw STXR480Y05 Mersen 3 Phase Surge-Trap Protective Device quantity
50VA Transformer for HVAC Systems

Functional Devices

SKU: TR50VA008

$43.40Add to Cart for Savings

Functional Devices TR50VA008 50VA Transformer For HVAC Systems quantity
Ultra-Sensitive Battery Powered Carbon Monoxide Monitor

Kidde

SKU: COBDL
$39.25
MSRP: $45.14
You save 13%
Kidde COBDL Carbon Monoxide Alarm W/ Digital Display, 10-Year Life, 2 AA Battery Portable CO Detector quantity
Blue Diamond MicroBlue X86-003 Condensate Removal Pump With Reservoir

Blue Diamond

SKU: X86-003
$189.99
Blue Diamond MicroBlue X86-003 Condensate Removal Pump With Reservoir quantity
Low Voltage 2-Wire Temp Controller System

White-Rodgers

SKU: 24A06G-1

Rated 5.00 out of 5
$169.99
MSRP: $363.84
You save 53%
White-Rodgers 24A06G-1 Low Voltage 2-Wire Temp Controller System quantity
Titan HD 45+5 MFD, 440/370V, Round Dual Run Capacitor

Packard

SKU: PRCFD455A

Rated 5.00 out of 5
$13.59
Packard PRCFD455A Titan HD 45+5 MFD, 440/370V, Round Dual Run Capacitor quantity
4-Zone (3H/2C) Zone Panel ESP, 40VA Transformer, Sensor

iO HVAC Controls

SKU: ZP4-ESP-KIT
$588.87
iO HVAC ZP4-ESP-KIT 4-Zone 3H/2C Control Panel Kit with ESP quantity
VCMA-20ULS-C-PRO Anti-Sweat Sleeve Condensate Pump

Little Giant

SKU: 554642
$75.34
Little Giant 554642 115V 50/60Hz Condensate Pump W/ Anti-Sweat Sleeve quantity
Thermostat – 47F Close / 37F Open – 10F Differential

Supco

SKU: ML37
$8.23
MSRP: $9.46
You save 15%
Supco Duro-Dyne ML37 Thermostat – 47F Close / 37F Open – 10F Differential quantity
60 Second, 18in-lb Actuator for BZD Dampers

Belimo

SKU: FP18-BZD-Motor

Rated 5.00 out of 5
$106.87
Belimo FP18-BZD-Motor 60 Second, 18 in-lb Actuator for BZD Dampers quantity
Nu-Calgon 4179-01 Gallo Gun Condensate Drain Line Declogger

Nu-Calgon

SKU: 4179-01

Rated 5.00 out of 5
$47.62
MSRP: $54.76
You save 15%
Nu-Calgon 4179-01 Gallo Gun Condensate Drain Line Declogger quantity
24V 100VA Multi-Tap Transformer

Functional Devices

SKU: TR-100-MT

$53.60Add to Cart for Savings

Functional Devices TR-100-MT 24V 100VA Multi-Tap Transformer quantity
2-Wire, 24V Spring Return Replacement Damper Motor

Young Regulator

SKU: 78G1001

Rated 4.80 out of 5
$68.25
MSRP: $78.49
You save 15%
Young Regulator 78G1001 2-Wire Replacement Damper Motor quantity
2-Wire 24VAC Damper Motor for D and HD Series

iO HVAC Controls

SKU: HD-Motor
$70.39
Read more
Non-Plenum Thermostat Wire – 18/6 High-Performance Low-Voltage Cable

Genesis

SKU: 18/6-TW
Price range: $25.67 through $860.56
Select options
This product has multiple variants. The options may be chosen on the product page
.25A-150A Mini Current Switch

Functional Devices

SKU: RIBXKTF

$21.40Add to Cart for Savings

Functional Devices RIBXKTF .25A-150A Mini Current Switch quantity
Contactor, 1 Pole, 30 AMP, 24V Coil

Packard

SKU: C130A
$10.50
MSRP: $25.49
You save 59%
Packard C130A Contactor, 1 Pole, 30 AMP, 24V Coil & 250,000 Cycle Rated quantity
VisionPRO 8000 Single Stage Thermostat with RedLINK Technology

Resideo

SKU: TH8110R1008
$224.99
Honeywell TH8110R1008 VisionPRO 8000 Single-Stage Thermostat quantity
Standard Heat-Only Manual Thermostat

Honeywell Home

SKU: CT50K1002
$24.77
Read more
Wi-fi Color Dsiplay Touchscreen Thermostat

Resideo

SKU: RTH9585WF1004
$179.99
Read more
Trion 455602-525 Air Bear Supreme AB2000 20X25X5 MERV-11 Air Cleaner, White

Trion IAQ

SKU: 455602-525
$120.49
MSRP: $138.57
You save 15%
Trion 455602-525 Air Bear Supreme AB2000 20 x 25 x 5 MERV 11 Air Cleaner quantity
Mounting Wall Plate, Includes Hardware, Fits UT32 & T32P

iO HVAC Controls

SKU: WP-T

$14.04Add to Cart for Savings

iO HVAC Controls WP-T Mounting Wall Plate, Includes Hardware, Fits UT32 & T32P quantity
Universal Wireless Thermostat Kit, Up to 3H/2C

Braeburn

SKU: 8500

Rated 5.00 out of 5
$162.73
MSRP: $187.14
You save 13%
Braeburn 8500 Universal Wireless Thermostat Kit, Up to 3H/2C Heat Pump, BlueLink quantity
1H/1C Programmable Thermostat with 4.4″ Display

Braeburn

SKU: 2030
$40.99
MSRP: $48.80
You save 16%
Braeburn 2030 1H/1C Programmable Thermostat with 4.4in Display quantity
ElitePRO S1200 White Smart Thermostat W/ EIM (4H/2C Heat Pump & 3H/3C Conventional)

Honeywell Home

SKU: YTHX1200W7
$299.07
Honeywell YTHX1200W7 ElitePRO S1200 White Smart Thermostat W/ EIM (4H/2C Heat Pump & 3H/3C Conventional) quantity
Medium Cover Plate & J-Box Adaptor for TSeries Thermostats

Resideo

SKU: THP2400A1075
$3.42
Honeywell THP2400A1075 Medium Cover Plate & J-Box Adaptor for T1, T4, & T6 Series Thermostats quantity
General Purpose PVC Electrical Tape – Black / .75″ x 60ft

Polyken

SKU: 777 ( 1088276 )
$1.00
MSRP: $1.15
You save 15%
Polyken 777 7 mil General Purpose PVC Electrical Tape quantity
Solid Core Fixed Mini Current Switch, 0-150A Range

ACI

SKU: A/MCS
$50.67
MSRP: $58.27
You save 15%
ACI A/MCS Mini Solid Core Fixed Current Switch 0.20A-150A With 0.20A Trip Point quantity
Wall Plate for Prestige IAQ Thermostats, White

Resideo

SKU: THP2400A1027W
$17.79
Honeywell THP2400A1027W Wall Plate for Prestige IAQ Thermostats, White quantity
USI AMICH3511SC 3-in-1 Smoke, Fire and Carbon Monoxide Hallway Alarm

Universal Security Instruments (USI)

SKU: AMICH3511SC

Rated 5.00 out of 5
$52.99
Read more
VRM60A, RSH-50, 60A disconnect breaker in a NEMA 3R enclosure

RectorSeal

SKU: 96424
$473.47
RSH-50 VRMDC KIT-VRM60A, RSH-50, & 60A disconnect breaker in a NEMA 3R enclosure quantity
Replacement Air Filter for 2200 and 2250 Air Purifiers

Aprilaire

SKU: 201

Rated 4.33 out of 5
$43.99
AprilAire 201 20x25x6 MERV 10 Air Filter For 2200 Whole-House Air Purifier and 2250 Space-Gard quantity