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Showing 337–384 of 61400 resultsSorted by popularity

Universal 4H/2C, Non-Programmable Thermostat

White-Rodgers

SKU: 1F85U-42NP

Rated 5.00 out of 5

$68.84Add to Cart for Savings

White-Rodgers 1F85U-42NP Universal Non-Programmable Thermostat, 4H/2C quantity
Standard Heat-Only Manual Thermostat

Honeywell Home

SKU: CT50K1002
$24.77
Read more
Heat or Cool Line Voltageage Thermostat

TPi

SKU: ETD9STS

Rated 5.00 out of 5

$35.20Add to Cart for Savings

TPi ETD9STS Heat or Cool Line Voltage Thermostat quantity
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
Wi-fi Color Dsiplay Touchscreen Thermostat

Resideo

SKU: RTH9585WF1004
$179.99
Read more
2 Year 15″ Ultraviolet Replacement Lamp

Fresh-Aire UV

SKU: TUVL-215

Rated 5 out of 5
$109.99
MSRP: $126.49
You save 15%
FreshAire TUVL-215 2 Year 15in Ultraviolet Replacement Lamp quantity
WP-T Wall Plate for T32P Thermostats

iO HVAC Controls

SKU: WP-T

$14.04Add to Cart for Savings

iO HVAC Controls WP-T Wall Plate for T32P Thermostats quantity
2-Zone 1H/1C Control Panel Kit w/ Sensor, 40VA Transformer

iO HVAC Controls

SKU: ZP2-HC-KIT
$167.31
iO HVAC Controls ZP2-HC-KIT 2-Zone 1H/1C Control Panel Kit quantity
2.5 ft sampling tube for SL-2000 Series duct smoke detectors

Air Products and Controls

SKU: STN-2.5
$12.49
MSRP: $14.36
You save 13%
Air Products and Controls STN-2.5 2.5 ft Sampling Tube for SL-2000 Series Duct Smoke Detectors 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
VisionPRO 8000 Single Stage Thermostat with RedLINK Technology

Resideo

SKU: TH8110R1008
$222.88
Honeywell TH8110R1008 VisionPRO 8000 Single-Stage Thermostat quantity
Aprilaire S84NSU 1H/1C Single Stage Universal Thermostat

Aprilaire

SKU: S84NSU
$96.99
Aprilaire S84NSU 1H/1C Single Stage Universal Thermostat quantity
Thermocouple – 36″ Length, 30mV Open Circuit

Resideo

SKU: Q340A1090

Rated 4.67 out of 5
$12.90
Honeywell Q340A1090 36in Thermocouple quantity
MaxiBlue V2 HVAC Condensate Pump – For AC, Mini-Split & Fan Coil Systems

Blue Diamond

SKU: X88-721
$209.99
MSRP: $241.49
You save 15%
Blue Diamond X88-721 MaxiBlue V2 HVAC Condensate Pump - For AC, Mini-Split & Fan Coil Systems quantity
Flue Cap For 1-1/2in, 2in, 3in PVC Pipe

Supco

SKU: ECAP321
$8.40
MSRP: $9.66
You save 15%
Supco ECAP321 Flue Cap For 1-1/2in, 2in, 3in PVC Pipe 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
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
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
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
6″ Round Automatic Damper, Normally Open

Resideo

SKU: ARD6TZ
$147.37
Honeywell ARD6TZ 6in Round Automatic TrueZONE Damper, Normally Open 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
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
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
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
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
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
HD Round Heavy Duty Dampers

iO HVAC Controls

SKU: HD-XX
Price range: $53.78 through $256.23
Select options
This product has multiple variants. The options may be chosen on the product page
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
Two-Position Round Dampers with 24V Spring Return Actuator

iO HVAC Controls

SKU: D-XX
Price range: $140.87 through $517.74
Select options
This product has multiple variants. The options may be chosen on the product page
NonFused 60A Metal Disconnect

Packard

SKU: PD60NF
$31.25
MSRP: $35.94
You save 15%
Packard PD60NF NonFused 60A Metal Disconnect quantity
Line Voltage TRIAC Thermostat

Honeywell Home

SKU: TH401
$44.85
Honeywell TH401 Line Voltage TRIAC Thermostat quantity
RedLINK Outdoor Temperature And Humidity Sensor For T10+

Resideo

SKU: C7089R3013
$104.32
Honeywell Home C7089R3013 RedLINK Outdoor Temperature And Humidity Sensor For T10+ quantity
Pocket Brake – Sheet Metal Scoring Tool

Hilmor

SKU: HPB1701

Rated 4.00 out of 5
$54.99
Hilmor HPB1701 Pocket Brake Sheet Metal Scoring Tool 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
Cooling Line Voltageage Thermostat with SPST Switch

Robertshaw

SKU: 803A

Rated 5.00 out of 5
$30.26
MSRP: $34.80
You save 15%
Robertshaw 803A Cooling Line Voltage Thermostat With SPST Switch quantity
Wall Plate for Prestige IAQ Thermostats, White

Resideo

SKU: THP2400A1027W
$17.79
Honeywell THP2400A1027W Wall Plate for Prestige IAQ Thermostats, White quantity
3-Mode Surge Protective Device

Intermatic

SKU: AG3000
$85.55
MSRP: $98.38
You save 15%
Intermatic AG3000 3-Mode Surge Protective Device quantity
iO HVAC Controls iO-FCA Audible & Visual Filter Change Alert

iO HVAC Controls

SKU: iO-FCA
$68.09
iO HVAC Controls iO-FCA Filter Change Alert quantity
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
True Zone Control Panel, Controls 2 Zone System

Resideo

SKU: HZ221
$147.99
Honeywell HZ221 TrueZONE Smart Temperature Zoning Panel 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
Equipment Interface Module (EIM) for Redlink 3.0 ElitePRO™ and T10+ Thermostats only.

Honeywell Home

SKU: EIM4010
$130.17
Honeywell EIM4010 Equipment Interface Module, RedLINK 3.0 Wireless, ElitePRO & T10+ Pro Thermostat Compatible 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
Refrigeration Technologies RT800S Viper Pan & Drain Treatment (1qt) Spray Bottle

Viper

SKU: RT800S

$13.78Add to Cart for Savings

Refrigeration Technologies RT800S Viper Pan & Drain Treatment (1qt) Spray Bottle quantity
Coil Gun Sprayer With Quick Connect Hose Nozzle

Nu-Calgon

SKU: 4774-0
$91.64
MSRP: $133.84
You save 32%
Nu-Calgon Coil Gun quantity
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
Prestige 2-Wire IAQ Kit with Thermostat, EIM and Two Duct Sensors

Resideo

SKU: YTHX9421R5085WW
$384.99
Honeywell Prestige YTHX9421R5085WW 2-Wire IAQ Kit with Thermostat, EIM & two duct sensors quantity
Wiring Module, Receives the Signal from the K Terminal

Resideo

SKU: THP9045A1023
$20.42
Honeywell THP9045A1023 Wire Saver Module quantity