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Tekmar 422 Universal Reset Module, Two tN4, Mixing, Boiler, DHW and Setpoint

Tekmar Control Systems

SKU: 422
$1,023.05
MSRP: $1,176.51
You save 15%
Tekmar 422 Universal Reset Module, Two tN4, Mixing, Boiler, DHW and Setpoint quantity
Tekmar 374 Universal Reset Control, Two Mixing, Two Stage Boiler, DHW and Setpoint

Tekmar Control Systems

SKU: 374
$1,372.97
MSRP: $1,601.94
You save 14%
Tekmar 374 Universal Reset Control, Two Mixing, Two Stage Boiler, DHW and Setpoint quantity
Tekmar 356 Mixing Control, Variable Speed

Tekmar Control Systems

SKU: 356
$347.52
MSRP: $399.64
You save 15%
Tekmar 356 Mixing Control, Variable Speed quantity
Tekmar 346 Power Manager, Three Auxiliary Pumps, Four Demands

Tekmar Control Systems

SKU: 346
$783.25
MSRP: $900.74
You save 15%
Tekmar 346 Power Manager, Three Auxiliary Pumps, Four Demands quantity
Broan ACCGSFP20 Pre-filter Multi-Pack (Ten ACCGSFP2)

Broan - Nutone

SKU: ACCGSFP20
$329.99
MSRP: $379.49
You save 15%
Broan ACCGSFP20 Pre-filter Multi-Pack (Ten ACCGSFP2) quantity
Broan ACCGSFHP2 1 Year HEPA Filter Kit (Two pre-filters and one HEPA)

Broan - Nutone

SKU: ACCGSFHP2
$228.75
MSRP: $263.06
You save 15%
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Tekmar 261 Boiler Control, Two Stage Boiler & Setpoint

Tekmar Control Systems

SKU: 261-TEK
$587.23
MSRP: $675.32
You save 15%
Tekmar 261 Boiler Control, Two Stage Boiler & Setpoint quantity
Tekmar 260 Boiler Control, One Stage Boiler & Domestic Hot Water

Tekmar Control Systems

SKU: 260
$505.40
MSRP: $581.21
You save 15%
Tekmar 260 Boiler Control, One Stage Boiler & Domestic Hot Water quantity
Tekmar 256 One Stage Boiler Control, Uses Outdoor Temperature Reset

Tekmar Control Systems

SKU: 256
$224.42
MSRP: $258.08
You save 15%
Tekmar 256 One Stage Boiler Control, Uses Outdoor Temperature Reset quantity
Google Nest Temperature Sensor (2nd Gen), Works With The Nest Learning Thermostat (3rd and 4th Gen) – 3 Pack

Nest

SKU: GGA05177US
$99.99
Google Nest Temperature Sensor (2nd Gen), Works With The Nest Learning Thermostat (3rd and 4th Gen) - 3 Pack quantity
Google Nest Temperature Sensor (2nd Gen), Works With The Nest Learning Thermostat (3rd and 4th Gen) – 1 Pack

Nest

SKU: GGA05552US
$39.99
Google Nest Temperature Sensor (2nd Gen), Works With The Nest Learning Thermostat (3rd and 4th Gen) - 1 Pack quantity
Nitrogen Dioxide 0–10 ppm Smart Gas Transmitter

QEL

SKU: B5-NO2-10P-0-A

$615.04Add to Cart for Savings

QEL B5-NO2-10P-0-A – Nitrogen Dioxide 0–10 ppm Smart Gas Transmitter quantity
Smart Gas Transmitter B5-CO2-5000P-0-A B5 Carbon Dioxide, Infrared, 0-5000PPM

QEL

SKU: B5-CO2-5000P-0-A

$1,107.07Add to Cart for Savings

QEL B5-CO2-5000P-0-A – Carbon Dioxide Infrared 0–5000 ppm Smart Gas Transmitter quantity
IO-BOX-0 – DIN Rail Mounting Box for Q-Controller Modules

QEL

SKU: IO-BOX-0
$328.02
QEL IO-BOX-0 – DIN Rail Mounting Box for Q-Controller Modules quantity
QEL BI-BOX-0 4 Channel Relay Input Module For Q-Controller

QEL

SKU: BI-BOX-0
$328.02
QEL BI-BOX-0 4 Channel Relay Input Module For Q-Controller quantity
M-Switch – Remote Switch for M-Controller or Q4C Controller

QEL

SKU: M-SWITCH-0
$328.02
QEL M-Switch – Remote Switch for M-Controller or Q4C Controller quantity
QEL M-Strobe Multifunctional LED Beacon/Sounder Alarm For Gas Detection & Alarm Systems

QEL

SKU: M-STROBE

$442.83Add to Cart for Savings

QEL M-Strobe – Multifunctional LED Beacon/Sounder Alarm for Gas Detection quantity
M-Relay for M-Controller Series Relay Module w/ 8 DPDT Relays

QEL

SKU: M-RELAY-5A-8000000
$385.42
QEL M-Relay – Relay Module with 8 DPDT Relays for M-Controller Series quantity
QEL M-Controller Series Universal 40 Sensor Digital-Analog Controller (3 x DPDT, 5 A Relays) w/ 8 Channel Analog Output Card

QEL

SKU: M-CONTROLLERA-T000000
$1,540.00
Read more
QEL M-Controller Series Universal 40 Sensor Digital-Analog Controller (3 x DPDT, 5 A Relays)

QEL

SKU: M-CONTROLLERA-0N00000
$1,851.08
Read more
AO-BOX-0 8 Channel Analog Output Module For Q-Controller

QEL

SKU: AO-BOX-0
$328.02
QEL AO-BOX-0 8-Channel Analog Output Module For Q-Controller quantity
QEL BO-BOX-0 4 Channel Relay Output Module For Q-Controller

QEL

SKU: BO-BOX-0
$328.02
QEL BO-BOX-0 – 4-Channel Relay Output Module for Q-Controller quantity
QEL Gas Detector Annunciator Panel for M-Controller

QEL

SKU: M-ANNUNCIATOR
$380.50
QEL Gas Detctor Annunciator Panel for M-Controller quantity
VENTS-US VK PS 150 6in Inline Centrifugal Duct Dryer Booster Fan

Vents US

SKU: VK-150-PS
$354.00
VENTS-US VK PS 150 6in Inline Centrifugal Duct Dryer Booster Fan quantity
Functional Devices RIBL24BM Enclosed Relay 20Amp 24Vac/dc Latching + Aux Contact

Functional Devices

SKU: RIBL24BM
$123.75
Functional Devices RIBL24BM Enclosed Relay 20Amp 24Vac/dc Latching + Aux Contact quantity
Functional Devices RIBL12BM Enclosed Relay 20Amp 12VAC/DC Latching With AUX contact

Functional Devices

SKU: RIBL12BM
$132.82
Functional Devices RIBL12BM Enclosed Relay 20Amp 12VAC/DC Latching With AUX contact quantity
Functional Devices RIBL12B Enclosed Relay 20Amp 12VAC/DC Latching

Functional Devices

SKU: RIBL12B
$102.36
Functional Devices RIBL12B Enclosed Relay 20Amp 12VAC/DC Latching quantity
Functional Devices RIB01BDC Enclosed Relay, Class 2 Dry Contact input,120Vac pwr, 20A SPDT

Functional Devices

SKU: RIB01BDC
$36.65
Functional Devices RIB01BDC Enclosed Relay, Class 2 Dry Contact input,120Vac pwr, 20A SPDT quantity
Functional Devices RIBTW2402B-BC BacNet Enclosed Relay Hi/Low sep 20Amp SPDT 24Vac/dc/208-277Vac 1Dig.In

Functional Devices

SKU: RIBTW2402B-BC
$162.20
Functional Devices RIBTW2402B-BC BacNet Enclosed Relay Hi/Low sep 20Amp SPDT 24Vac/dc/208-277Vac 1Dig.In quantity
Functional Devices RIBU1C-N4 Enclosed Relay 10Amp SPDT 10-30Vac/dc/120Vac NEMA4 housing

Functional Devices

SKU: RIBU1C-N4
$33.85
Functional Devices RIBU1C-N4 Enclosed Relay 10Amp SPDT 10-30Vac/dc/120Vac NEMA4 housing quantity
Y86 Wiring Harness Assembly

Resideo

SKU: 393044
$52.50
Honeywell 393044 Y86 Wiring Harness Assembly quantity
Supco SSN2533 Silicon Nitride Furnace Igniter

Supco

SKU: SSN2533
$31.23
MSRP: $35.91
You save 15%
Supco SSN2533 Silicon Nitride Furnace Igniter quantity
Veto Pro Pac VPP10534 EDC PAC LCB Carbon Everyday Backpack

Veto Pro Pac

SKU: VPP10534
$284.95
Veto Pro Pac VPP10534 EDC PAC LCB Carbon Everyday Backpack quantity
Uni Round Hot Surf Igniter Kit

Packard

SKU: IG0001
$45.41
Packard IG0001 Uni Round Hot Surf Igniter Kit quantity
Robertshaw 780U-DS20 Universal Direct Spark Ignition Module

Robertshaw

SKU: 780U-DS20
$122.99
MSRP: $141.44
You save 13%
Robertshaw 780U-DS20 Universal Direct Spark Ignition Module quantity
Supco ADC4099 Defrost Control Board

Supco

SKU: ADC4099
$59.15
MSRP: $68.02
You save 15%
Supco ADC4099 Defrost Control Board quantity
Electromechanical Relay With 24V Transformer

Resideo

SKU: RC840T-277
$96.38
MSRP: $110.84
You save 13%
Honeywell Home RC840T-277 Electromechanical Relay With 24V Transformer quantity
Electromechanical Relay Without Transformer

Resideo

SKU: RC840
$57.10
MSRP: $65.67
You save 13%
Honeywell Home RC840 Electromechanical Relay Without Transformer quantity
24V 3/4in Sweat VC Valve W/AUX Switch

Resideo

SKU: VC8715AM1000
$169.33
MSRP: $194.73
You save 13%
Honeywell Home VC8715AM1000 24V 3/4in Sweat VC Valve W/AUX Switch quantity
ICM Controls ICM866U Universal Motor Starting Relay

ICM Controls

SKU: ICM866U
$55.14
ICM Controls ICM866U Universal Motor Starting Relay quantity
Pro-Set Piston Series Manifold & Gauge Set

CPS Products

SKU: MT2H7P5

$168.30Add to Cart for Savings

CPS MT2H7P5 Pro-Set Piston Series Manifold & Gauge Set quantity
5-2-1 Compressor Saver for 4-5 Tons

CPS Products

SKU: CSRU3

$50.53Add to Cart for Savings

CPS CSRU3 5-2-1 Compressor Saver for 4-5 Tons quantity
Rectorseal 96429 RSH-20 Motor Surge Protector, Ensite

RectorSeal

SKU: 96429

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Rectorseal 96430 RSH-20 Motor Surge Protector, Azure

RectorSeal

SKU: 96430

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Rectorseal 96426 RSH-60 VMD Surge Protective Device

RectorSeal

SKU: 96426

$148.66Add to Cart for Savings

Rectorseal 96426 RSH-60 VMD Surge Protective Device quantity
Rectorseal 85001 T-Body Drain Guard, Keeps Condensate Drains Clean

RectorSeal

SKU: 85001

$56.92Add to Cart for Savings

Rectorseal 85001 T-Body Drain Guard, Keeps Condensate Drains Clean quantity
Belimo LMX24-3-S Configurable Damper Actuator Non fail-safe, AC/DC 24 V, On/Off, Floating point, 1x SPDT

Belimo

SKU: LMX24-3-S
$198.45
Belimo LMX24-3-S Configurable Damper Actuator quantity
R449A HVAC Refrigerant 25lb Cylinder Tank

Generic

SKU: R449A

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