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Precision That Drives Efficiency

HVAC systems rely on accurate airflow, pressure, temperature, and humidity monitoring to function at their best. When sensors drift out of calibration or instruments lose accuracy, it can lead to higher energy costs, poor system performance, and compliance issues. That’s why top HVAC engineers, facility managers, and technicians trust Alpha Controls as their precision partner. 
 

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Alpha Lab 181

Reliable HVAC Instrumentation & Calibration for Peak Performance

Alpha Controls delivers high-precision instrumentation and accredited calibration services that help HVAC systems operate at peak performance. Supporting efficiency, safety, and compliance, our solutions enable reliable, data-driven decision-making across commercial buildings, industrial ventilation systems, and controlled environments such as cleanrooms and laboratories.

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Accutools

AccuTools

AccuTools was founded to fill a void in the development of new and innovative products in the HVAC/R, automotive diagnostics, and test instrument markets. Their trademarked...

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Dwyersquare

Dwyer

Dwyer is a global leader in designing and manufacturing innovative controls, sensors and instrumentation solutions. That's because they work tirelessly to get it right -...

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Setra Systems 01001 original

Setra Systems

Founded in 1967, Setra Systems, Inc. is a leading designer and manufacturer of pressure, acceleration, and weight sensing devices. Setra has devoted its engineering and...

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Bacharach

Bacharach

Bacharach is a global leader in the design, manufacture, and service of gas detection, monitoring and analysis instrumentation for the HVAC and refrigeration industries. ...

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E+E Elektronik

E+E Elektronik specializes in the development and production of sensors for measurement of relative humidity, CO2, air velocity, mass flow and humidity calibration systems. E+E...

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Fluke 01020 original

Fluke

Fluke Corporation is the world leader in the manufacture, distribution and service of electronic test tools and software. Fluke's test and measurement line includes...

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Highlighted Services

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Calibration

Trust Alpha Controls for precise, reliable calibration services that keep your measurements accurate and compliant. With decades of expertise, we deliver confidence and...

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Want to Extend the Life of Your Validation Equipment

Validation

Compliance Without the Hassle. Leave Validation to the Experts. When regulations tighten and timelines matter, you need a partner who understands both the standards and the...

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All HVAC and Building Automation Products

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A 449 Remote display with mini USB display 08673
Dwyer

A-449 Remote display with mini USB display

Remote display with mini USB display

Buy now!
$140.17 CAD
Normally ships in 3-4 weeks
A 448 3 Piece Magnet Kit for Mounting 08509
Dwyer

A-448 3-Piece Magnet Kit for Mounting

3-piece magnet kit for mounting Magnehelic® gage directly to a magnetic surface, 3.3" x 1.7" x .5", .20 .lb

Buy now!
$30.09 CAD
Normally ships in 3-4 weeks
A 445 D U Bracket Mounting Kit 08584
Dwyer

A-445D U-Bracket Mounting Kit

U-bracket mounting kit for 2.5" gage

Buy now!
$9.82 CAD
Normally ships in 3-4 weeks
A 445 B U Bracket Mounting Kit 08583
Dwyer

A-445B U-Bracket Mounting Kit

U-Bracket Mounting Kit for 1.5" Gage

Buy now!
$8.00 CAD
Normally ships in 3-4 weeks
A 440 Weatherproof IP65 cover with fly wire holes 08598
Dwyer

A-440 Weatherproof IP65 cover with fly-wire holes.

Weatherproof IP65 cover with fly-wire holes.

Buy now!
$6.00 CAD
Normally ships in 3-4 weeks
A 439 Weatherproof IP65 cover 08597
Dwyer

A-439 Weatherproof IP65 cover.

Weatherproof IP65 cover.

Buy now!
$6.00 CAD
Normally ships in 3-4 weeks
A 438 Surface Mounting Bracket 05092
Dwyer

A-438 Surface Mounting Bracket

Surface mounting bracket for use with ISDP pressure transmitters

Buy now!
$45.65 CAD
Normally ships in 1-2 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-434 Portable Kit

Portable kit for Series 2-5000 Minihelic® II gage.

Buy now!
$102.85 CAD
Normally ships in 3-4 weeks
A 433 Steel carrying case for air velocity meter 08801
Dwyer

A-433 Steel carrying case for air velocity meter

Steel carrying case for air velocity meter, No. 400-10.

Buy now!
$454.92 CAD
Normally ships in 3-4 weeks
A 432 Plastic Carrying Case 05076
Dwyer

A-432 Plastic Carrying Case

Plastic carrying case for Magnehelic® gage of standard range

Buy now!
$129.54 CAD
Normally ships in 1-2 weeks
A 431 Steel carrying case 08800
Dwyer

A-431 Steel carrying case

Steel carrying case for air velocity meter, No. 400-5.

Buy now!
$487.39 CAD
Normally ships in 3-4 weeks
A 421 Static pressure tip 08609
Dwyer

A-421 Static pressure tip

Static pressure tip

Buy now!
$73.35 CAD
Normally ships in 3-4 weeks
A 420 A Static Pressure Pickup 07370
Dwyer

A-420A - Static Pressure Pickup

Used to pick up or sense static pressure drop across air filters & cooling coils

Buy now!
$56.53 CAD
Normally ships in 2-3 weeks
A 419 A Static Pressure Pickup 07369
Dwyer

A-419A - Static Pressure Pickup

Used to pick up or sense static pressure drop across air filters & cooling coils

Buy now!
$25.33 CAD
Normally ships in 2-3 weeks
A 418 N Static Pressure Pickup 07368
Dwyer

A-418N Static Pressure Pickup

Used to pick up or sense static pressure drop across air filters & cooling coils

Buy now!
$36.64 CAD
Normally ships in 2-3 weeks
A 418 E Static Pressure Pickup 07367
Dwyer

A-418E Static Pressure Pickup

Used to pick up or sense static pressure drop across air filters & cooling coils

Buy now!
$36.64 CAD
Normally ships in 2-3 weeks
A 418 A Static Pressure Pickup 07366
Dwyer

A-418A Static Pressure Pickup

Used to pick up or sense static pressure drop across air filters & cooling coils

Buy now!
$25.84 CAD
Normally ships in 2-3 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-413 Steel carrying case

Steel carrying case for portable draft gages 104-8, 104-10 and 48" and larger Slack Tube® manometers - 18-1/2" x 4-3/8" x 2-1/4".

Buy now!
$307.53 CAD
Normally ships in 3-4 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-405 Plastic Carrying Case

Plastic carrying case for portable inclined gages 109, 100.5, 104-6, 102, 102.5 - 13-1/2" x 10" x 2-3/8".

Buy now!
$143.57 CAD
Normally ships in 3-4 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-404 Plastic Carrying Case

Plastic carrying case for portable inclined gages 100, 101, 108, 115 - 12-1/4" x 6-1/4" x 1-3/4".

Buy now!
$130.99 CAD
Normally ships in 3-4 weeks
A 402 A Carrying Case 05079
Dwyer

A-402A Carrying Case

Tough gray nylon pouch to protect and series 477AV manometer

Buy now!
$113.99 CAD
Normally ships in 1-2 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-401 Plastic Carrying Case

Plastic carrying case (7-9/16" x 5-7/8" x 2-13/16").

Buy now!
$72.34 CAD
Normally ships in 3-4 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-399 Duct Pressure Monitor Kit

Duct pressure monitor kit

Buy now!
$126.82 CAD
Normally ships in 2-3 weeks
A 397 Step Drill for 316 in to 12 in Holes 05228
Dwyer

A-397 Step Drill for 3/16 in to 1/2 in Holes

Fast, convenient installation of pitot tubes in sheet metal ducts

Buy now!
$149.35 CAD
Normally ships in 1-2 weeks
A 390 Extra vanes 08834
Dwyer

A-390 Extra vanes

Extra vanes, pkg. of 2

Buy now!
$34.43 CAD
Normally ships in 3-4 weeks
A 389 Mounting Bracket 09455
Dwyer

A-389 Mounting Bracket

Mounting bracket, 16 ga steel, zinc plated and Dichromate dipped for corrosion resistance

Buy now!
$22.95 CAD
Normally ships in 2-3 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-375 Compression fitting connections

Compression fitting connections, 1/8" tube to 1/8" NPT male

Buy now!
$11.22 CAD
Normally ships in 3-4 weeks
A 371 Surface Mounting Bracket 05072
Dwyer

A-371 Surface Mounting Bracket

Surface mounting bracket for use with medium pressure or high pressure Magnehelic models only

Buy now!
$105.74 CAD
Normally ships in 1-2 weeks
A 370 Flush Mount Bracket 05083
Dwyer

A-370 Flush Mount Bracket

Flush mount bracket for Capsuhelic gauge

Buy now!
$92.14 CAD
Normally ships in 1-2 weeks
A 369 Stand Hang Bracket 05067
Dwyer

A-369 Stand-Hang Bracket

Stand-hang bracket, aluminum, for Magnehelic® gage

Buy now!
$33.49 CAD
Normally ships in 1-2 weeks
A 368 Surface Mounting Plate 05070
Dwyer

A-368 Surface Mounting Plate

Surface mounting plate, aluminum, for Magnehelic gage

Buy now!
$21.34 CAD
Normally ships in 1-2 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-364 Magnet Assembly

Magnet assembly for 1222 manometers, 2 required (3 required for 1222-36 and M-1000).

Buy now!
$20.91 CAD
Normally ships in 3-4 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-363 Scale clamp bar for 1221 manometer

Scale clamp bar for 1221 manometer

Buy now!
$16.07 CAD
Normally ships in 3-4 weeks
A 362 Stand hang Bracket 08515
Dwyer

A-362 Stand-hang Bracket

Stand-hang bracket, aluminum, for Minihelic® II gage.

Buy now!
$48.45 CAD
Normally ships in 3-4 weeks
A 360 Aluminum DIN rail 08537
Dwyer

A-360 Aluminum DIN rail

Aluminum DIN rail - only available in 1 m length (2.8 ft).

Buy now!
$22.19 CAD
Normally ships in 3-4 weeks
A 357 Tube Holder 05233
Dwyer

A-357 Tube Holder

Thermometer and terminal tube holder, stainless steel wire.

Buy now!
$14.96 CAD
Normally ships in 1-2 weeks
A 356 Gage Plug 08568
Dwyer

A-356 Gage Plug

Gage plug with retainer loop, polyethylene plastic, for 1/4" ID tubing, slip loop over tubing OD and insert plug for seal.

Buy now!
$10.63 CAD
Normally ships in 3-4 weeks
A 354 Magnetic Mounting 08572
Dwyer

A-354 Magnetic Mounting

Magnetic mounting, edge style, secures edge of acrylic manometer with No. 10-32 machine screw and boots insert.

Buy now!
$26.69 CAD
Normally ships in 3-4 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-348 Carbon Steel Adapter

Carbon steel adapter, 1/8" x 1-1/2" NPT.

Buy now!
$82.45 CAD
Normally ships in 3-4 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-347-SS Stainless steel adapter

Stainless steel adapter, 1/8" x 1-1/4" NPT.

Buy now!
$202.30 CAD
Normally ships in 3-4 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-347 carbon steel adapter.

1/8 x 1-1/4" NPT carbon steel adapter.

Buy now!
$64.52 CAD
Normally ships in 3-4 weeks
A 344 Brass Terminal Tube 05129
Dwyer

A-344 Brass Terminal Tube

Terminal tube, brass, 1/4" diameter tube, 8" length

Buy now!
$13.60 CAD
Normally ships in 1-2 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-341 Direct Drive Pressure Gage Brass Adapter

Direct drive pressure gage brass adapter, 1/4 in male NPT to G 1/2 A parallel thread 1-1/2 in length

Buy now!
$79.48 CAD
Normally ships in 3-4 weeks
A 339 Brass Adapter 05146
Dwyer

A-339 Brass Adapter

Adapter, brass, 1/8" NPT to 3/16" rubber and 1/8" ID plastic tubing

Buy now!
$11.65 CAD
Normally ships in 1-2 weeks
A 335 Reducer 05171
Dwyer

A-335 Reducer

1-1/4 in to 3/4 in reducer, featuring an electrical rating of 3 A at 250 V AC

Buy now!
$33.08 CAD
Normally ships in 2-3 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-332 Brass adapter

Brass adapter, 1/8" female NPT to 1/4" male NPT.

Buy now!
$8.76 CAD
Normally ships in 3-4 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-331-SS 1/8" BSPT 316 SS filter vent plug

1/8" BSPT 316 SS filter vent plug (replacement filter for the A-464-SS)

Buy now!
$41.93 CAD
Normally ships in 3-4 weeks