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18 AWG 2C Solid Plenum Thermostat Cable, 500ft Reel

Genesis

SKU: TWP-18/2
$97.48
MSRP: $112.10
You save 15%
Genesis TWP-18/2 (47604812) Plenum-Rated Thermostat Wire in 500ft Reel quantity
One Stage, 24 VAC Temperature Controller

Ranco

SKU: ETC-112000
$118.01
MSRP: $230.41
You save 49%
Ranco ETC-112000 One stage 24 VAC Temperature Controller quantity
Hanging Strap, 31″ Long, HVAC Equipment Support

DiversiTech

SKU: HS-30
$7.99
MSRP: $9.19
You save 15%
DiversiTech HS-30 Hanging Strap, 31" Long, HVAC Equipment Support quantity
A/C Wall Mounting Bracket, 42″, 600 lb Capacity, 2-Pack

DiversiTech

SKU: ACB-42
$88.05
MSRP: $101.26
You save 15%
DiversiTech ACB-42 A/C Wall Mounting Bracket, 42", 600 lb Capacity, 2-Pack quantity
Carrier 59MN660004 Knob Kit — OEM Replacement Knob Kit for Carrier HVAC Systems

Carrier

SKU: 59MN660004
$19.99
MSRP: $22.99
You save 15%
Carrier 59MN660004 Knob Kit — OEM Replacement Knob Kit for Carrier HVAC Systems quantity
All-Access AA3 Condensate Float Switch

RectorSeal

SKU: AA3
$14.64
Rectorseal 83413 All-Access AA3 Condensate Float Switch quantity
Carbon Monoxide Detector With Relay

QEL

SKU: Q5C-CO-250P-0-A

$615.04Add to Cart for Savings

QEL Q5C-CO-250P-0-A Carbon Monoxide CO Sensor quantity
Dundas Jafine R2OZW 4 Round To Oval Duct Adapter With Clamp

Dundas Jafine

SKU: R2OZW
$15.10
MSRP: $17.37
You save 13%
Dundas Jafine R2OZW 4in Round To Oval Duct Adapter With Clamp quantity
Water Panel Evaporator for Aprilaire 400 Humidifiers

Aprilaire

SKU: 45
$36.99
Aprilaire 45 Water Panel for Models 400, 400M quantity
Adjustable Pocket Thermometers with Case and 5″ Stem

MA-Line

SKU: MA-PT160B

Rated 5.00 out of 5
$8.03
MSRP: $9.23
You save 15%
MA-Line MA-PT160B Adjustable Pocket Thermometers with Case and 5in Stem quantity
6-Zone 4H/2C Control Panel Kit with ESP

iO HVAC Controls

SKU: ZP6-ESP-KIT

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6-Zone 3H/2C Control Panel Kit w/ Sensor, 75VA Transformer

iO HVAC Controls

SKU: ZP6-KIT

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Replacement pad frame for HE220 and HE225 humidifiers

Honeywell Home

SKU: 32001621-001

Rated 5.00 out of 5
$36.57
Honeywell 32001621-001 Humidifier Pad Frame for HE220 and HE225 quantity
Supco SL5709 Refrigerator Defrost Thermostat Replacement

Supco

SKU: SL5709
$38.99
MSRP: $44.84
You save 15%
Supco SL5709 Refrigerator Defrost Thermostat Replacement quantity
Sensi Room Sensors for Touch 2 Thermostat, 1-Pack

White-Rodgers

SKU: RS01-SG
$39.99
Sensi Touch 2 RS01-SG Single Room Sensor for Sensi 2 Thermostat quantity
30A Fused Disconnect with Internal Surge

Mars

SKU: 83916

Rated 4.00 out of 5
$119.99
Read more
SPDCHN, 4in. Wall Penetr. Cvr.

SpeediChannel

SKU: 230-WC4
$23.50
MSRP: $27.03
You save 15%
SpeediChannel 230-WC4 SPDCHN, 4in. Wall Penetr. Cvr. quantity
5/16″ and 3/8″ C-RHEX Cleanable Reversible Magnetic Driver

Malco

SKU: MSHXLC1
$20.61
MSRP: $23.70
You save 15%
Malco MSHXLC1 5/16in and 3/8in Reversible Magnetic 6in Hex Chuck Driver quantity
DC solenoid valve replacement for HE150, HE250, and HE300 humidifiers

Resideo

SKU: 50041883-001

Rated 5.00 out of 5
$75.78
Honeywell/Resideo 50041883-001 DC Solenoid Valve for HE150, HE250, and HE300 quantity
1/2″ Union Sweat Mixing Valve for AM-1 Series

Resideo

SKU: AM100-US-1LF

Rated 5.00 out of 5
$123.33
Honeywell AM100-US-1LF 1/2in Sweat Union AM-1 Series Mixing Valve quantity
24V 3/4″ Sweat Zone Valve, 125 PSI

Resideo

SKU: V8043F1036

Rated 5.00 out of 5
$133.53
Honeywell V8043F1036 24V 3/4in Sweat Zone Valve, 125 PSI quantity
Titan ProCap 7.5 MFD, 370V, Round Run Capacitor

Packard

SKU: TRC7.5
$2.35
MSRP: $2.70
You save 15%
Packard TRC7.5 Titan ProCap 7.5 MFD, 370V, Round Run Capacitor quantity
Aprilaire 5648 Filter

Aprilaire

SKU: 5648

Rated 5.00 out of 5
$25.69
MSRP: $29.54
You save 15%
Aprilaire 5648 Filter quantity
ICM Controls ICM450A+ Programmable 3-Phase Line Voltage Monitors

ICM Controls

SKU: ICM450A+
$219.99
MSRP: $252.99
You save 15%
ICM Controls ICM450A+ Programmable 3-Phase Line Voltage Monitors quantity
T-32-P2 Universal 7-Day Programmable Thermostat, 3H/2C , Version 2.2

iO HVAC Controls

SKU: T-32-P2

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Flexible rod brush for EZ Trap condensate traps & overflow switches

RectorSeal

SKU: 83406
$5.89
RectorSeal 83406 EZT406 Standard Flexible Rod Cleaning Brush quantity
Scorpion LX15 15″ UVC-LED Coil Treatment Unit (24 VAC Input)

Nu-Calgon

SKU: 4910-10
$229.99
MSRP: $336.00
You save 32%
Nu-Calgon 4910-10 Scorpion LX15 15″ UVC-LED Coil Treatment Unit (24 VAC Input) quantity
2H/1C Programmable Thermostat with Dry Contact

Braeburn

SKU: 4030

Rated 1 out of 5
$67.95
MSRP: $79.83
You save 15%
Braeburn 4030 2H/1C Programmable Thermostat with Dry Contact quantity
Cast Iron Circulator Pump, 1/8 HP

Taco Comfort Solutions

SKU: 0010-F3

Rated 5.00 out of 5
$302.99
MSRP: $348.44
You save 15%
Taco 0010-F3 1/8HP Cast Iron Cartridge Circulator Pump quantity
Digital Wi-Fi Programmable Touchscreen Thermostat 4H/2C

Robertshaw

SKU: RS10420T

Rated 2.00 out of 5
$83.75
MSRP: $137.21
You save 39%
Robertshaw RS10420T Digital Programmable Touchscreen Thermostat, 4H/2C quantity
Single-Stage Digital Temperature Controller

Johnson Controls

SKU: A421GBF-02C
$89.00
Johnson Controls A421GBF-02C Type 1 Electronic Temperature Controller quantity
Whole House Bypass Humidifier with 17GPD Output

Aprilaire

SKU: 600
$346.99
Aprilaire 600 Automatic Whole House Humidifier with High Output quantity
Indoor Wireless Sensor for 7500 and 7320 Thermostats

Braeburn

SKU: 7390

Rated 5.00 out of 5
$41.40
MSRP: $47.61
You save 15%
Braeburn 7390 Indoor Wireless Sensor for 7500 and 7320 Thermostats quantity
BRK SMICO110 1046890 10-YR Sealed Battery Ionization Smoke & CO Alarm

BRK

SKU: SMICO110
$39.99
MSRP: $45.99
You save 15%
BRK SMICO110 1046890 10-YR Sealed Battery Ionization Smoke & CO Alarm quantity
Heavy Duty 48″ Cable Zip Ties 100-Pack, Natural White, 175lb Tensile Strength

Jackson Systems

SKU: ZIPTIE-48inWhite100
$19.99
MSRP: $50.59
You save 60%
Heavy Duty 48" Cable Zip Ties 100-Pack, Natural White, 175lb Tensile Strength quantity
AprilAire 910 MERV 11 Air Filter for Whole-House Air Purifier Model 1910 (Single)

Aprilaire

SKU: 910
$56.99
Read more
Refrigerator Cold Control, 19 to 38 Range

Ranco

SKU: A12-1560
$92.03
MSRP: $183.64
You save 50%
Ranco A12-1560 Cut-In Refrigerator Temperature Controller quantity
Static Pressure Sensor .08in-1.2inWC

iO HVAC Controls

SKU: ZPA-SPS

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Rectangular Electronic Bypass Dampers

iO HVAC Controls

SKU: EB-XXXX
Price range: $348.36 through $782.87
Select options
This product has multiple variants. The options may be chosen on the product page
Trion 255649-105 Air Bear 16X25X5 MERV-8 Air Filter

Trion IAQ

SKU: 255649-105
$25.23
MSRP: $29.89
You save 16%
Trion 255649-105 Air Bear 16X25X5 MERV-8 Air Filter quantity
Micron Vacuum Gauge with Pirani High-Precision Sensor

NAVAC

SKU: NMV1
$193.00
NAVAC NMV1 Micron Vacuum Gauge with Pirani High-Precision Sensor quantity
Protector Elay Oil Burner Control

Resideo

SKU: R8184G4009

Rated 4.67 out of 5
$134.38
Honeywell R8184G4009 Protectorelay Oil Burner Control quantity
Control Panel 4 Zone 3H/2C, Up to 32 Zones

Resideo

SKU: HZ432

Rated 5 out of 5
$399.99
Honeywell TrueZONE HZ432 4-Zone Control Panel, 3H/3C quantity
Compact Bender Body, Replacement, for Compact Bender Kit

Hilmor

SKU: 1839033

Rated 3.00 out of 5
$46.00
MSRP: $52.90
You save 15%
Hilmor 1839033 Compact Bender Body, Replacement, for Compact Bender Kit quantity
Relay Plug-in

IDEC

SKU: RH2B-UAC110-120V
$8.37
MSRP: $9.63
You save 15%
IDEC Relays RH2B-UAC110-120V Relay Plug-in quantity
Nu-Calgon 6106-00 Residential HVAC Odor Block Neutralizer

Nu-Calgon

SKU: 6106-00
$23.46
MSRP: $26.98
You save 15%
Nu-Calgon 6106-00 Residential HVAC Odor Block Neutralizer quantity
R22 HVAC Refrigerant 30lb Cylinder Tank

Generic

SKU: R22

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DiversiTech LSB10-BL Black Protection Box For Refrigerant Linesets & Condensate Drain Lines

DiversiTech

SKU: LSB10-BL
$19.78
MSRP: $22.75
You save 15%
DiversiTech LSB10-BL Black Protection Box For Refrigerant Linesets & Condensate Drain Lines quantity