Skip to accessibility statement
Free shipping on orders over $99
●
Your Zip:
43230
ORDER STATUS
Your Zip:
43230
HELP
MENU
CONTACT & SUPPORT
Live Chat: Online Now
SIGN IN
0
CART
×
SIGN IN
Shop by Category
Plumbing
Heating
HVAC
Electrical
PEX
Fittings
Valves
Tools
Resources
Our Team
Account
Order History
Returns
Customer Support
Give Us Feedback
Tools
Reorder
Quick Order
Saved Carts
Lists
Resources
PEX Plumbing
PEX Tools
Radiant Heat
Boiler Room
Plumbing Supplies
Air Conditioning
Video Library
Project Calculators
Find Parts For Your Unit
Filter menu expanded
Filters
Hide Filters
1,286 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (467)
Show
In Stock Only
(467)
Category
–
BAPI (21)
Danfoss (31)
Dwyer Pressure Controls (101)
Emerson Flow Controls (12)
ESP (4)
Furnas Controls (54)
Honeywell & Honeywell Home (24)
Johnson Controls (132)
Klixon (18)
Packard (24)
See More
Review Score
–
5 Filter (90)
(90)
4 Filter (11)
(11)
2 Filter (1)
(1)
1 Filter (6)
(6)
Price Range
–
$1 to $5 Filter (2)
$1 to $5 (2)
$5 to $10 Filter (3)
$5 to $10 (3)
$10 to $15 Filter (78)
$10 to $15 (78)
$15 to $20 Filter (29)
$15 to $20 (29)
$20 to $25 Filter (38)
$20 to $25 (38)
$25 to $30 Filter (42)
$25 to $30 (42)
$30 to $35 Filter (44)
$30 to $35 (44)
$35 to $40 Filter (59)
$35 to $40 (59)
$40 to $45 Filter (38)
$40 to $45 (38)
$45 to $50 Filter (31)
$45 to $50 (31)
See More
Home
HVAC Supplies
HVAC Controls
Pressure Controls
Pressure Controls
1286 items
FILTER
Grid
List
Sort: Top Sellers
1910-10 Compare Checkbox
Compare
Compact Low Differential Pressure Switch (3.0" - 11.75" W.C.)
SKU:
1910-10
Dwyer
SKU:
1910-10
Brand:
Dwyer
–
+
$92.56
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 42
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 42
Add to List
SHP425300 Compare Checkbox
Compare
425co 300ci Hi Press Switch
SKU:
SHP425300
Supco
SKU:
SHP425300
Brand:
Supco
(1)
–
+
$15.39
each
ADD TO CART
Add to List
Out of Stock
Get it by
Fri, Jun 19 - Fri, Jun 26
Out of Stock
Get it by
Fri, Jun 19 - Fri, Jun 26
Add to List
P100AP-4C Compare Checkbox
Compare
Pressure Switch, Open at 170 PSIG
SKU:
P100AP-4C
Johnson Controls
SKU:
P100AP-4C
Brand:
Johnson Controls
–
+
$37.57
each
ADD TO CART
Add to List
In Stock
Get 9 by
Tomorrow, Jun 5
Total Available: 38
In Stock
Get 9 by
Tomorrow, Jun 5
Total Available: 38
Add to List
C450YNN-1C Compare Checkbox
Compare
24 VAC Power module for System 450 Module
SKU:
C450YNN-1C
Johnson Controls
SKU:
C450YNN-1C
Brand:
Johnson Controls
–
+
$69.34
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Jun 8
Total Available: 11
In Stock
Get 4 by
Mon, Jun 8
Total Available: 11
Add to List
C6097B3051 Compare Checkbox
Compare
40" - 200'' W.C Manual Reset, 1/4" NPT Pressure Switch (Subtractive)
SKU:
C6097B3051
Honeywell
SKU:
C6097B3051
Brand:
Honeywell
(1)
–
+
$279.83
each
ADD TO CART
Add to List
In Stock
Get 10 by
Mon, Jun 8
Total Available: 18
In Stock
Get 10 by
Mon, Jun 8
Total Available: 18
Add to List
9013GHG2J26X Compare Checkbox
Compare
Air Compressor and Water Pump Pressure Switch, 70/90 PSI, DPST
SKU:
9013GHG2J26X
Telemecanique (Square D)
SKU:
9013GHG2J26X
Brand:
Telemecanique (Square D)
(1)
–
+
$138.09
each
ADD TO CART
Add to List
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 10
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 10
Add to List
ADPS-03-1-N Compare Checkbox
Compare
Adjustable Differential Pressure Switch w/ 1/2" NPT Connection (.20" - 2.0" W.C.)
SKU:
ADPS-03-1-N
Dwyer
SKU:
ADPS-03-1-N
Brand:
Dwyer
–
+
$37.16
each
ADD TO CART
Add to List
In Stock
Get 12 by
Tomorrow, Jun 5
Total Available: 38
In Stock
Get 12 by
Tomorrow, Jun 5
Total Available: 38
Add to List
43331 Compare Checkbox
Compare
SPST Normally Closed, Fixed Setting Pressure Control w/ 18" Leads (300 PSI Cut In, 400 PSI Cut Out)
SKU:
43331
MARS
SKU:
43331
Brand:
MARS
–
+
$35.82
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 13
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 13
Add to List
9013FHG2J27X Compare Checkbox
Compare
Air Compressor Pressure Switch w/ 2 Way Release Valve, 1/4" NPSF, 40-100 PSI Off at 100 PSI
SKU:
9013FHG2J27X
Telemecanique (Square D)
SKU:
9013FHG2J27X
Brand:
Telemecanique (Square D)
(1)
–
+
$53.84
each
ADD TO CART
Add to List
In Stock
Get 12 by
Tomorrow, Jun 5
Total Available: 61
In Stock
Get 12 by
Tomorrow, Jun 5
Total Available: 61
Add to List
RHS-170250 Compare Checkbox
Compare
Fan Cycling Pressure Switch w/Auto Reset, 170-250 PSI
SKU:
RHS-170250
Ranco
SKU:
RHS-170250
Brand:
Ranco
–
+
$14.87
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 30
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 30
Add to List
5500-103 Compare Checkbox
Compare
120V Infinite Switch, Black Dial
SKU:
5500-103
Robertshaw
SKU:
5500-103
Brand:
Robertshaw
(1)
–
+
$26.30
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 30
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 30
Add to List
P74FA-5C Compare Checkbox
Compare
Differential Pressure Control, SPDT Differential w/ 1/4" Female Fittings
SKU:
P74FA-5C
Johnson Controls
SKU:
P74FA-5C
Brand:
Johnson Controls
(2)
–
+
$248.38
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 32
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 32
Add to List
9013FRG62J23 Compare Checkbox
Compare
Commercial Pressure Switch, Reverse Acting, 2 Pole, 1HP, 1/4" NPSF, NEMA 1, 40-100 PSI
SKU:
9013FRG62J23
Telemecanique (Square D)
SKU:
9013FRG62J23
Brand:
Telemecanique (Square D)
–
+
$50.68
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 17
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 17
Add to List
69WA4Z2740 Compare Checkbox
Compare
Pressure Switch, 27-40
SKU:
69WA4Z2740
Furnas Controls
SKU:
69WA4Z2740
Brand:
Furnas Controls
–
+
$151.95
each
ADD TO CART
Add to List
In Stock
Get 6 by
Tomorrow, Jun 5
Total Available: 15
In Stock
Get 6 by
Tomorrow, Jun 5
Total Available: 15
Add to List
P32AC-8C Compare Checkbox
Compare
Sensitive Differential Pressure Switch
SKU:
P32AC-8C
Johnson Controls
SKU:
P32AC-8C
Brand:
Johnson Controls
–
+
$122.56
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 20
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 20
Add to List
C550YNN-1C Compare Checkbox
Compare
System 550 Series Power Module (120/240V)
SKU:
C550YNN-1C
Johnson Controls
SKU:
C550YNN-1C
Brand:
Johnson Controls
–
+
$67.99
each
ADD TO CART
Add to List
In Stock
Get 6 by
Tomorrow, Jun 5
Total Available: 13
In Stock
Get 6 by
Tomorrow, Jun 5
Total Available: 13
Add to List
43305-MARS Compare Checkbox
Compare
SPST Condenser Fan Cycling Switch (190 PSI Cut Out, 275 PSI Cut In)
SKU:
43305-MARS
MARS
SKU:
43305-MARS
Brand:
MARS
(2)
–
+
$79.57
each
ADD TO CART
Add to List
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 22
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 22
Add to List
SHP300200 Compare Checkbox
Compare
300co 200ci Hi Press Switch
SKU:
SHP300200
Supco
SKU:
SHP300200
Brand:
Supco
–
+
$15.39
each
ADD TO CART
Add to List
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 44
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 44
Add to List
060-5254 Compare Checkbox
Compare
Refrigeration & Air Conditioning Dual Pressure Control (SPDT)
SKU:
060-5254
Danfoss
SKU:
060-5254
Brand:
Danfoss
–
+
$182.67
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jun 26 - Fri, Jul 3
Backorder
Get it by
Fri, Jun 26 - Fri, Jul 3
Add to List
9013GHG2J63 Compare Checkbox
Compare
Pressure Switch 575VAC 5HP G +Options, 9013GHG2J63
SKU:
9013GHG2J63
Telemecanique (Square D)
SKU:
9013GHG2J63
Brand:
Telemecanique (Square D)
–
+
$90.58
each
ADD TO CART
Add to List
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 22
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 22
Add to List
1910-5 Compare Checkbox
Compare
Compact Low Differential Pressure Switch (1.40" - 5.5" W.C.)
SKU:
1910-5
Dwyer
SKU:
1910-5
Brand:
Dwyer
–
+
$91.23
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 9
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 9
Add to List
69WB3 Compare Checkbox
Compare
Pressure Switch Replacement
SKU:
69WB3
Furnas Controls
SKU:
69WB3
Brand:
Furnas Controls
–
+
$216.47
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 8
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 8
Add to List
DA-7031-153-9 Compare Checkbox
Compare
Brass Bourdon Tube SPDT Pressure Switch w/ Snap Action Switch & Adj. Deadband (10 - 300 PSIG)
SKU:
DA-7031-153-9
Dwyer
SKU:
DA-7031-153-9
Brand:
Dwyer
–
+
$1,030.02
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 9
Total Available: 3
In Stock
Get 2 by
Tue, Jun 9
Total Available: 3
Add to List
5500-200 Compare Checkbox
Compare
240V Push to Turn Infinite Switch
SKU:
5500-200
Robertshaw
SKU:
5500-200
Brand:
Robertshaw
–
+
$24.29
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 25
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 25
Add to List
C450SCN-4C Compare Checkbox
Compare
System 450 Expansion Module w/ 2 SPDT Output Relay
SKU:
C450SCN-4C
Johnson Controls
SKU:
C450SCN-4C
Brand:
Johnson Controls
–
+
$181.91
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 9
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 9
Add to List
C6097A3111 Compare Checkbox
Compare
40 to 200 W.C Manual Reset, 1/4" NPT Pressure Switch (Additive)
SKU:
C6097A3111
Honeywell
SKU:
C6097A3111
Brand:
Honeywell
–
+
$214.29
each
ADD TO CART
Add to List
In Stock
Get 54 by
Mon, Jun 8
Total Available: 62
In Stock
Get 54 by
Mon, Jun 8
Total Available: 62
Add to List
43304 Compare Checkbox
Compare
SPST Condenser Fan Cycling Switch (150 PSI Cut Out, 225 PSI Cut In)
SKU:
43304
MARS
SKU:
43304
Brand:
MARS
–
+
$63.50
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 20
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 20
Add to List
43346 Compare Checkbox
Compare
SPST A/R Pressure Switch (25 Open, 50 Close)
SKU:
43346
MARS
SKU:
43346
Brand:
MARS
–
+
$39.80
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 14
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 14
Add to List
P170AA-400C Compare Checkbox
Compare
1/4" Male Flare SPST Open-Low High Pressure Contol Module (690 PSIG)
SKU:
P170AA-400C
Johnson Controls
SKU:
P170AA-400C
Brand:
Johnson Controls
(1)
–
+
$144.33
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 19
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 19
Add to List
060-214891 Compare Checkbox
Compare
KP-34 Manual Reset Pressure Switch
SKU:
060-214891
Danfoss
SKU:
060-214891
Brand:
Danfoss
–
+
$179.39
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
In Stock
Get 2 by
Mon, Jun 8
Add to List
43343-MARS Compare Checkbox
Compare
SPST Normally Open, Fixed Setting Pressure Control (25 PSI Cut In, 10 PSI Cut Out)
SKU:
43343-MARS
MARS
SKU:
43343-MARS
Brand:
MARS
–
+
$39.80
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jun 26 - Fri, Jul 3
Backorder
Get it by
Fri, Jun 26 - Fri, Jul 3
Add to List
43349 Compare Checkbox
Compare
SPST Fixed Setting Pressure Control, Open on Pressure Drop (35 PSI Cut Out, 60 PSI Cut In)
SKU:
43349
MARS
SKU:
43349
Brand:
MARS
–
+
$39.01
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 12
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 12
Add to List
060-110191 Compare Checkbox
Compare
KP-1 Auto Reset Pressure Switch
SKU:
060-110191
Danfoss
SKU:
060-110191
Brand:
Danfoss
–
+
$119.16
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jun 26 - Fri, Jul 3
Backorder
Get it by
Fri, Jun 26 - Fri, Jul 3
Add to List
43335A Compare Checkbox
Compare
1/4" Female Flare S.A.E. Mounting Fan Cycling Control (600 PSI Cut Out)
SKU:
43335A
MARS
SKU:
43335A
Brand:
MARS
–
+
$47.92
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 9
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 9
Add to List
PHP350250 Compare Checkbox
Compare
High Pressure Control with ±15 PSI Tolerance (Open 350 PSI/Closed 250 PSI)
SKU:
PHP350250
Packard
SKU:
PHP350250
Brand:
Packard
–
+
$18.59
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
In Stock
Get 4 by
Tomorrow, Jun 5
Add to List
P170LB-6C Compare Checkbox
Compare
Dual Pressure Control, LR 12"-80 psig, HR 100-500 psig
SKU:
P170LB-6C
Johnson Controls
SKU:
P170LB-6C
Brand:
Johnson Controls
(1)
–
+
$272.35
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 19
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 19
Add to List
2374-523 Compare Checkbox
Compare
SPDT Differential Air Pressure Switch (2.0" - 10.0" WC)
SKU:
2374-523
Robertshaw
SKU:
2374-523
Brand:
Robertshaw
–
+
$49.35
each
ADD TO CART
Add to List
In Stock
Get 9 by
Tomorrow, Jun 5
Total Available: 15
In Stock
Get 9 by
Tomorrow, Jun 5
Total Available: 15
Add to List
43352-MARS Compare Checkbox
Compare
SPST Fixed Setting Pressure Control, Open on Pressure Drop (50 PSI Cut Out, 90 PSI Cut In)
SKU:
43352-MARS
MARS
SKU:
43352-MARS
Brand:
MARS
–
+
$74.11
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 11
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 11
Add to List
P70CA-3C Compare Checkbox
Compare
SPST Pressure Control w/ 36" Capillary , 50/450 psig (Diff. Adj. 60/150)
SKU:
P70CA-3C
Johnson Controls
SKU:
P70CA-3C
Brand:
Johnson Controls
–
+
$158.63
each
ADD TO CART
Add to List
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 20
In Stock
Get 7 by
Tomorrow, Jun 5
Total Available: 20
Add to List
P70AB-12C Compare Checkbox
Compare
Pressure Control 100 - 425 psig (Adj. Diff. 5/35 psi)
SKU:
P70AB-12C
Johnson Controls
SKU:
P70AB-12C
Brand:
Johnson Controls
–
+
$143.33
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 36
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 36
Add to List
9013FHG2J43X Compare Checkbox
Compare
Air Compressor Pressure Switch, 60/80 PSI, DPST
SKU:
9013FHG2J43X
Telemecanique (Square D)
SKU:
9013FHG2J43X
Brand:
Telemecanique (Square D)
–
+
$33.31
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jun 26 - Fri, Jul 3
Backorder
Get it by
Fri, Jun 26 - Fri, Jul 3
Add to List
MSX-W12-IN-LCD Compare Checkbox
Compare
MS Magnasense Differential Pressure Transmitter w/ LCD, 4-20 mA
SKU:
MSX-W12-IN-LCD
Dwyer
SKU:
MSX-W12-IN-LCD
Brand:
Dwyer
–
+
$175.24
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 6
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 6
Add to List
P70DA-400C Compare Checkbox
Compare
SPST High Pressure Control, Manual Reset w/ 36" Capillary, 200/610 psig
SKU:
P70DA-400C
Johnson Controls
SKU:
P70DA-400C
Brand:
Johnson Controls
–
+
$169.58
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 16
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 16
Add to List
9013FHG12J55 Compare Checkbox
Compare
Air Compressor Pressure Switch, 10A, 120/150 PSI, DPST
SKU:
9013FHG12J55
Telemecanique (Square D)
SKU:
9013FHG12J55
Brand:
Telemecanique (Square D)
–
+
$29.99
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 9
Total Available: 8
In Stock
Get 1 by
Tue, Jun 9
Total Available: 8
Add to List
SHP400200 Compare Checkbox
Compare
400co 200ci Hi Press Switch
SKU:
SHP400200
Supco
SKU:
SHP400200
Brand:
Supco
–
+
$15.39
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 15
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 15
Add to List
P100CP-2C Compare Checkbox
Compare
Pressure Switch, Open at 425 PSIG
SKU:
P100CP-2C
Johnson Controls
SKU:
P100CP-2C
Brand:
Johnson Controls
–
+
$41.05
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 20
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 20
Add to List
C6097B3119 Compare Checkbox
Compare
1" to 20" W.C Auto Reset, 1/4" NPT Pressure Switch (Subtractive)
SKU:
C6097B3119
Honeywell
SKU:
C6097B3119
Brand:
Honeywell
–
+
$178.77
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 146
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 146
Add to List
RHS-195275 Compare Checkbox
Compare
Fan Cycling Pressure Switch w/Auto Reset, 195-275 PSI
SKU:
RHS-195275
Ranco
SKU:
RHS-195275
Brand:
Ranco
–
+
$18.80
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 28
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 28
Add to List
1
...
3
4
5
...
27
Refresh
×
Video