Apply to be a TradeMaster!
Filter menu expanded

Filters

101 items
Reset

SORT

Product Availability

Show In Stock Only (36)

Product Type

Controller (4)
Level Transmitter (2)
Manifold (1)
Module (2)
Pressure Regulator (3)
Pressure Switch (59)
Pressure Transmitter (27)
Transducer (1)

Switch

DPDT (1)
DPST (1)
SPDT (42)

Review Score

(4)

Price Range

$5 to $10 (1)
$20 to $25 (1)
$30 to $35 (1)
$35 to $40 (7)
$45 to $50 (1)
$50 to $60 (1)
$60 to $70 (1)
$70 to $80 (4)
$80 to $90 (1)
$90 to $100 (3)

Dwyer Pressure Controls

Help Face
Need a little help?
101 items
Grid
List
Compare
Product Image of Adjustable Differential Pressure Switch w/ M20 Connection (.20" - 2.0" W.C.)
$36.70 each
In Stock
Get 15 by Tue, Jul 7
In Stock
Get 15 by Tue, Jul 7
Compare
Product Image of Adjustable Differential Pressure Switch w/ M20 Connection (.12" - 1.6" W.C.)
$38.54 each
In Stock
Get 10 by Wed, Jul 8
In Stock
Get 10 by Wed, Jul 8
Compare
Product Image of Wet/Wet Differential SPDT Pressure Switch, 1/4" FNPT, NEMA 4X (2.5 - 10 PSI)
$136.76 each
In Stock
Get 12 by Tue, Jul 7
In Stock
Get 12 by Tue, Jul 7
Compare
Product Image of Adjustable Differential Pressure Switch w/ M20 Connection (.08" - 1.20" W.C.)
$31.97 each
In Stock
Get 29 by Tue, Jul 7
In Stock
Get 29 by Tue, Jul 7
Compare
Product Image of Adjustable Differential Pressure Switch w/ 1/2" NPT Connection (.08" - 1.20" W.C.)
$45.48 each
In Stock
Get 20 by Tue, Jul 7
In Stock
Get 20 by Tue, Jul 7
Compare
Product Image of Compact Low Differential Pressure Switch (.07" - .15" W.C.)
$86.27 each
In Stock
Get 2 by Tue, Jul 7
In Stock
Get 2 by Tue, Jul 7
Compare
Product Image of Wet/Wet Differential SPDT Pressure Switch, 1/4" FNPT, NEMA 4X (10 - 25 PSI)
$152.99 each
In Stock
Get 4 by Tue, Jul 7
In Stock
Get 4 by Tue, Jul 7
Compare
Product Image of Water Pump Pressure Switch, Normally Open (15 - 80 PSIG)
$23.85 each
In Stock
Get 4 by Wed, Jul 8
In Stock
Get 4 by Wed, Jul 8
Compare
Product Image of Compact Low Differential Pressure Switch (.15" - .5" W.C.)
$73.19 each
In Stock
Get 2 by Tue, Jul 7
In Stock
Get 2 by Tue, Jul 7
Compare
Product Image of Differential Pressure Switch w/ Manual Reset (1.4" - 5.5" W.C.)
$132.10 each
In Stock
Get 5 by Tue, Jul 7
In Stock
Get 5 by Tue, Jul 7
Compare
Product Image of Compact Low Differential Pressure Switch (0.40" - 1.6" W.C.)
$70.65 each
In Stock
Get 7 by Tue, Jul 7
In Stock
Get 7 by Tue, Jul 7
Compare
Product Image of Compact Low Differential Pressure Switch (3.0" - 11.75" W.C.)
$92.56 each
In Stock
Get 8 by Tue, Jul 7
In Stock
Get 8 by Tue, Jul 7
Compare
Product Image of Adjustable Differential Pressure Switch w/ 1/2" NPT Connection (.20" - 2.0" W.C.)
$37.16 each
In Stock
Get 12 by Tue, Jul 7
In Stock
Get 12 by Tue, Jul 7
Compare
Product Image of Compact Low Differential Pressure Switch (1.40" - 5.5" W.C.)
$91.23 each
In Stock
Get 2 by Wed, Jul 8
In Stock
Get 2 by Wed, Jul 8
Compare
Product Image of Brass Bourdon Tube SPDT Pressure Switch w/ Snap Action Switch & Adj. Deadband (10 - 300 PSIG)
$1,030.02 each
In Stock
Get 1 by Thu, Jul 9
In Stock
Get 1 by Thu, Jul 9
Compare
Product Image of MS Magnasense Differential Pressure Transmitter w/ LCD, 4-20 mA
$175.24 each
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
Compare
Product Image of Low Differential Pressure Switch, SPDT (.5" - 2.0" W.C.)
$126.12 each
In Stock
Get 1 by Tue, Jul 7
In Stock
Get 1 by Tue, Jul 7
Compare
Product Image of Explosion-Proof Differential Pressure Switch (.15" - .5" W.C.)
$369.10 each
In Stock
Get 2 by Tue, Jul 7
In Stock
Get 2 by Tue, Jul 7
Compare
Product Image of Explosion-Proof Differential Pressure Switch (4.0" - 20.0" W.C.)
$368.55 each
In Stock
Get 2 by Wed, Jul 8
In Stock
Get 2 by Wed, Jul 8
Compare
Product Image of Adjustable Differential Pressure Switch w/ M20 Connection (.08" - 1.20" W.C.)
$56.99 each
In Stock
Get 1 by Tue, Jul 7
In Stock
Get 1 by Tue, Jul 7
Compare
Product Image of Low Differential Pressure Switch, SPDT (.15" - .5" W.C.)
$110.00 each
In Stock
Get 4 by Tue, Jul 7
In Stock
Get 4 by Tue, Jul 7
Compare
Product Image of Gas Pressure Switch (4.0" - 20.0" W.C.)
Gas Pressure Switch (4.0" - 20.0" W.C.)
SKU: 1996-20
Dwyer
SKU: 1996-20
Brand: Dwyer
$195.79 each
In Stock
Get 1 by Tue, Jul 7
In Stock
Get 1 by Tue, Jul 7
Compare
Product Image of Low Differential Pressure Switch, SPDT (.07" - .22" W.C.)
$109.98 each
In Stock
Get 2 by Tue, Jul 7
In Stock
Get 2 by Tue, Jul 7
Compare
Product Image of Large Diaphragm Pressure Switch w/ Visual Set Point Adjustment (.05" - .25" W.C.)
$569.99 each
In Stock
Get 1 by Tue, Jul 7
In Stock
Get 1 by Tue, Jul 7
Compare
Product Image of Differential Pressure Switch w/ Manual Reset (3.0" - 11.75" W.C.)
$169.70 each
In Stock
Get 2 by Tue, Jul 7
In Stock
Get 2 by Tue, Jul 7
Compare
Product Image of Explosion-Proof Differential Pressure Switch (3.0" - 11.0" W.C.)
$382.13 each
In Stock
Get 2 by Wed, Jul 8
In Stock
Get 2 by Wed, Jul 8
Compare
Product Image of Large Diaphragm Pressure Switch, Visual Set Point, SPDT (.2" - 1.0" W.C.)
$772.05 each
In Stock
Get 3 by Wed, Jul 8
In Stock
Get 3 by Wed, Jul 8
Compare
Product Image of Low Differential Pressure Switch, SPDT (.3" - 1.0" W.C.)
$144.51 each
In Stock
Get 2 by Tue, Jul 7
In Stock
Get 2 by Tue, Jul 7
Compare
Product Image of Compact Low Differential Pressure Switch (4.0" - 20.0" W.C.)
$93.27 each
In Stock
Get 3 by Wed, Jul 8
In Stock
Get 3 by Wed, Jul 8
Compare
Product Image of Low Differential Pressure Switch, DPDT, Manual Reset (2.5" - 9.0" W.C.)
$274.96 each
In Stock
Get 1 by Tue, Jul 7
In Stock
Get 1 by Tue, Jul 7
Compare
Product Image of Explosion-Proof Differential Pressure Switch (.07" - .15" W.C.)
$506.97 each
In Stock
Get 2 by Tue, Jul 7
In Stock
Get 2 by Tue, Jul 7
Compare
Product Image of Brass Bourdon Tube SPDT Pressure Switch w/ Snap Action Switch & Adj. Deadband (0 - 30" HG VAC)
$1,167.02 each
In Stock
Get 1 by Tue, Jul 7
In Stock
Get 1 by Tue, Jul 7
Compare
Product Image of Low Differential Pressure Switch, SPDT (1.5" - 5.0" W.C.)
$165.57 each
In Stock
Get 1 by Wed, Jul 8
In Stock
Get 1 by Wed, Jul 8
Compare
Product Image of Low Differential Pressure Switch, SPDT (5.0" - 44.0" W.C.)
$135.38 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of MS Magnasense Differential Pressure Transmitter w/ LCD, 4-20ma
MS Magnasense Differential Pressure Transmitter w/ LCD, 4-20ma
SKU: MSX-W10-IN-LCD
Dwyer
SKU: MSX-W10-IN-LCD
Brand: Dwyer
$237.19 each
In Stock
Get 1 by Tue, Jul 7
In Stock
Get 1 by Tue, Jul 7
Compare
Product Image of Differential Pressure Switch (1.4 - 5.5" W.C.)
Differential Pressure Switch (1.4 - 5.5" W.C.)
SKU: 1950-5-2F
Dwyer
SKU: 1950-5-2F
Brand: Dwyer
$365.89 each
In Stock
Get 3 by Thu, Jul 9
In Stock
Get 3 by Thu, Jul 9
Compare
Product Image of Explosion-Proof Differential Pressure Switch (.4" - 1.6" W.C.)
$415.85 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of Low Differential Pressure Switch, SPDT (3.0" - 22.0" W.C.)
$130.37 each
In Stock
Get 4 by Wed, Jul 8
In Stock
Get 4 by Wed, Jul 8
Compare
Product Image of DM Series Digital Differential Pressure Transmitter (0 - 3" W.C.)
$162.85 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of DM Series Digital Differential Pressure Transmitter (0 - 0.25" W.C.)
$162.85 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of MSX Series Differential Pressure Transmitter w/ LCD (Up to 28" W.C.)
$179.46 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of SPDT Single/Dual Pressure Switch (.15" - 1.5" W.C)
$675.10 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of MSX Series Differential Pressure Transmitter w/ LCD (+/-5" W.C.)
$179.46 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of Pressure Transmitter (0 - 5 PSI)
Pressure Transmitter (0 - 5 PSI)
SKU: 673-3
Dwyer
SKU: 673-3
Brand: Dwyer
$532.54 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of A6 Series Pressure Switch (14 - 24 PSI)
A6 Series Pressure Switch (14 - 24 PSI)
SKU: A6-553221
Dwyer
SKU: A6-553221
Brand: Dwyer
$35.34 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of Differential Pressure Switch (0.5 - 2 PSID)
Differential Pressure Switch (0.5 - 2 PSID)
SKU: 1950P-2-2F
Dwyer
SKU: 1950P-2-2F
Brand: Dwyer
$419.21 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of Differential Pressure Controller (25" W.C.)
$585.71 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 616 Series Differential Pressure Transmitter (0 - 20" W.C.)
$236.07 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Resources
FAQs, Manuals & Videos
Articles
More About Dwyer Pressure Controls
Dwyer pressure controls are designed to monitor and control air and other non-combustible, compatible gases by activating an electrical contact at a preset pressure or pressure differential. Commonly used in HVAC systems, airflow monitoring, filter status indication, and fan or blower proving, these controls are available in a wide range of pressure ranges, switch types, and circuit configurations to meet diverse control and safety requirements.