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Showing 1–48 of 139 resultsSorted by popularity

Universal Twinning and Paralleling Zone Panel

iO HVAC Controls

SKU: iO-TWIN

Rated 5.00 out of 5
$254.84
Universal Twinning and Paralleling Zone Panel quantity
4 Channel Wireless Relay PLUS Kit

iO HVAC Controls

SKU: iO-WRP

Rated 5.00 out of 5

$439.54Add to Cart for Savings

iO HVAC Controls iO-WRP 4 Channel Wireless Relay PLUS Kit quantity
4 Channel Wireless Relay Kit

iO HVAC Controls

SKU: iO-WR

Rated 4.00 out of 5
$233.98
iO HVAC Controls iO-WR 4 Channel Wireless Relay Kit 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
Distech ECB-VAVS – BACnet B-ASC 9-Point Programmable Controllers

Distech Controls

SKU: CDIB-VASX-IMP-10

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Dual Fuel Kit – Heat Pump & Fossil Fuel Furnace Control

iO HVAC Controls

SKU: iO-DFK
$112.63
iO HVAC Controls iO-DFK Dual Fuel Kit – Heat Pump & Fossil Fuel Furnace Control W/ Outdoor Balance Point Thermostat quantity
24V Lead/Lag Controller Run Time Balancer

iO HVAC Controls

SKU: iO-LL

Rated 5.00 out of 5
$124.69
iO HVAC Controls iO-LL LLC-200 24V Lead/Lag Controller quantity
Distech ECB-203 – BACnet B-ASC 14-Point Programmable Controllers

Distech Controls

SKU: CDIB-203X-00

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TC-24-7 7-Day Programmable Time Clock

iO HVAC Controls

SKU: iO-TC
$181.27
iO HVAC Controls iO-TC TC-24-7 7-Day Programmable Time Clock quantity
Distech ECB-253 BACnet B-ASC 14-Point Programmable Controller

Distech Controls

SKU: CDIB-253X-00

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Honeywell L4064B2210/B Fan and Limit Controller

Resideo

SKU: L4064B2210/B
$96.79
MSRP: $111.31
You save 15%
Honeywell L4064B2210/B Fan and Limit Controller quantity
Distech Controls ECB-600 BACnet B-AAC 28-Point Programmable Controller

Distech Controls

SKU: CDIB-600X-00

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Flow Switch Control

York

SKU: 024-39397-000
$320.80
MSRP: $368.92
You save 15%
York 024-39397-000 Flow Switch Control quantity
Carrier S17S0002N25B — DXM2 Standard CM Programmed Control Board

Carrier

SKU: S17S0002N25B
$637.04
MSRP: $732.60
You save 15%
Carrier S17S0002N25B — DXM2 Standard CM Programmed Control Board quantity
Aprilaire 5680 Power PCB Assembly

Aprilaire

SKU: 5680
$53.47
MSRP: $61.49
You save 15%
Aprilaire 5680 Power PCB Assembly quantity
Distech ECB-650 BACnet MS/TP LAN Programmable Controller

Distech Controls

SKU: CDIB-650X-00

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Lennox 87H91 Furnace Limit Control Switch

Lennox

SKU: 87H91
$10.48
MSRP: $19.94
You save 47%
Lennox 87H91 Furnace Limit Control Switch quantity
Distech ECL-203 14-Point Programmable Controller with Microprocessor

Distech Controls

SKU: CDIL-203X-00

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Distech Controls ECB-403 BACnet Programmable Controller

Distech Controls

SKU: CDIB-403X-00

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Motor Monitor to be Used with iO-Twin

iO HVAC Controls

SKU: iO-Twin-MM

$197.03Add to Cart for Savings

iO HVAC Controls iO-Twin-MM Motor Monitor to be Used with iO-Twin quantity
Integrated Control Board

York

SKU: S1-7990-319P
$278.28
MSRP: $320.02
You save 15%
York S1-7990-319P Integrated Control Board quantity
OEM Control Board / Blower Delay Board

York

SKU: S1-031-02986-000
$114.63
MSRP: $131.82
You save 15%
York S1‑031‑02986‑000 — OEM Control Board / Blower Delay Board quantity
OEM Replacement Control Board

Carrier

SKU: HK38EA056
$650.00
MSRP: $747.50
You save 15%
Carrier HK38EA056 OEM Replacement Control Board quantity
Rheem 62-105217-01 Integrated Control Board – OEM Furnace Control Module

Rheem

SKU: 62-105217-01
$186.96
MSRP: $215.00
You save 15%
Rheem 62-105217-01 Integrated Control Board quantity
Honeywell L4064B2236 Fan and Limit Controller

Honeywell Home

SKU: L4064B2236
$165.33
MSRP: $190.13
You save 15%
Honeywell L4064B2236 Fan and Limit Controller quantity
Honeywell DC120L11001000 Universal Digital Controller

Honeywell Home

SKU: DC120L11001000
$971.18
MSRP: $1,116.86
You save 13%
Honeywell DC120L11001000 Universal Digital Controller quantity
Distech ECB-450 24-Point Programmable Controller with BACnet MS/TP LAN

Distech Controls

SKU: CDIB-450X-00

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Distech ECB-103 BACnet B-ASC 10-Point Programmable Controller

Distech Controls

SKU: CDIB-103X-00

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Parallel positioning air/fuel ratio burner management control system

Fireye

SKU: PPC4000
$1,955.21
MSRP: $2,248.49
You save 15%
Fireye PPC4000 Air/Fuel Ratio Parallel Positioning Burner Management System quantity
120VAC SB Series Flame Safeguard Control, 5/10s TFI, Flame Rod, No Purge

Fireye

SKU: SB560533AA
$1,582.84
MSRP: $1,820.27
You save 13%
Fireye SB560533AA Flame Safeguard Control 120VAC 5/10s TFI Flame Rod No Purge quantity
High-Sensitivity Infrared Flame Amplifier for Flame-Monitor Systems

Fireye

SKU: E1R2
$1,636.46
MSRP: $1,881.93
You save 13%
Fireye E1R2 Infrared Flame Amplifier (Special Application) Flame-Monitor Module quantity
120VAC UV Flame Safeguard Control, No Purge, Selectable 5/10s TFI

Fireye

SKU: SB560232AA
$1,582.84
MSRP: $1,820.27
You save 13%
Fireye SB560232AA Flame Safeguard Control 120VAC UV No Purge 5/10s TFI quantity
Programmer Module, 30s Purge, 10/15s TFI, Recycle Burner Control

Fireye

SKU: EP260
$2,335.38
MSRP: $2,685.69
You save 15%
Fireye EP260 Programmer Module 30s Purge 10/15s TFI Recycle Burner Control quantity
MicroM Programmer Module — 30s Pre-Purge, 5s PTFI, 90s Post-Purge

Fireye

SKU: MEP149
$206.76
MSRP: $237.77
You save 13%
Fireye MEP149 Programmer Module 30s Purge 5s PTFI 90s Post-Purge Burner Control quantity
VFD Interface Daughter Board for NX6100 / PPC6000 Burner Systems

Fireye

SKU: NXDBVSD
$806.76
MSRP: $927.77
You save 13%
Fireye NXDBVSD VFD Interface Daughter Board for NX6100 / PPC6000 Systems quantity
Programmer Module, 90-Second Purge, 5/10 TFI, Non-Modulating

Fireye

SKU: EP390
$1,762.48
MSRP: $2,026.85
You save 13%
Fireye EP390 Programmer Module 90 Second Purge 5/10 TFI No Modulation quantity
OEM Thermostat Control Board for Compatible GE HVAC Systems

GE Appliances

SKU: WP26X27488
$47.60
MSRP: $54.74
You save 13%
GE Appliances WP26X27488 Thermostat Control Board quantity
Smart Steam Control

Tekmar Control Systems

SKU: 289
$2,611.69
MSRP: $3,003.44
You save 15%
Tekmar Controls 289 Smart Steam Control quantity
24Vac/dc Two Stage Single Setpoint Control -40 to 239F

Tekmar Control Systems

SKU: 152
$343.69
MSRP: $395.24
You save 15%
Tekmar Controls 152 24Vac/dc Two Stage Single Setpoint Control -40 to 239F quantity
Fan Control F135-30F Without Bracket for HVAC Heating Systems

Reznor

SKU: 146464
$34.45
MSRP: $39.62
You save 15%
Reznor 146464 Fan Control F135-30F Without Bracket for HVAC Heating Systems quantity
Fan Control F135-40F with Bracket for HVAC Heating Systems

Reznor

SKU: 123976
$165.73
MSRP: $190.59
You save 15%
Reznor 123976 Fan Control F135-40F with Bracket for HVAC Heating Systems quantity
Veridigm Control Board

Reznor

SKU: 257246
$1,134.15
MSRP: $1,304.27
You save 15%
Reznor 257246 Veridigm Control Board quantity
Amplifier Control Module

Reznor

SKU: 148590
$1,190.18
MSRP: $1,368.71
You save 15%
Reznor 148590 Amplifier Control Module quantity
Rooftop Unit Controller for HVAC Systems

Rheem

SKU: 47-102883-04
$522.36
MSRP: $600.71
You save 13%
Read more
120Vac Six Zone Manager for tN4 Thermostats and Zone Valves

Tekmar Control Systems

SKU: 335
$650.25
MSRP: $747.79
You save 15%
Tekmar Controls 335 120Vac Six Zone Manager for tN4 Thermostats and Zone Valves quantity
120Vac Pump Sequencer Control

Tekmar Control Systems

SKU: 132
$875.25
MSRP: $1,006.54
You save 15%
Read more
Fan Control Board Kit – Reliable HVAC Component

Rheem

SKU: 47-22481-81
$300.38
MSRP: $345.44
You save 13%
Rheem 47-22481-81 Fan Control Board Kit – Reliable HVAC Component quantity
Air Handler Control Board – Reliable HVAC System Component

Rheem

SKU: 47-102606-85
$176.24
MSRP: $202.68
You save 15%
Rheem 47-102606-85 Air Handler Control Board – Reliable HVAC System Component quantity