Pressure Switch

Pressure Switches control when pumps turn on and off based on system pressure levels. These essential components protect your equipment and maintain consistent water pressure in wells, tanks, and pump systems. Choose from our wide selection of pressure ranges, connection sizes, and heavy-duty options perfect for any job.

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Gas Pressure Switch 12–60″ WC SPDT NEMA 4 Manual Reset

DUNGS Combustion Controls

SKU: 266947
$136.96
MSRP: $157.50
You save 15%
Dungs 266947 Gas Pressure Switch 12–60" WC SPDT NEMA 4 Manual Reset quantity
Gas Pressure Switch 12–60″ WC SPDT NEMA 4 Manual Reset

DUNGS Combustion Controls

SKU: 266943
$136.96
MSRP: $157.50
You save 15%
Dungs 266943 Gas Pressure Switch 12–60" WC SPDT NEMA 4 Manual Reset quantity
Gas Pressure Switch 1–20″ WC SPDT NEMA 4 Manual Reset

DUNGS Combustion Controls

SKU: 266942
$136.11
MSRP: $156.53
You save 15%
Dungs 266942 Gas Pressure Switch 1–20" WC SPDT NEMA 4 Manual Reset quantity
Air Pressure Switch 2–20″ WC SPDT NEMA 4

DUNGS Combustion Controls

SKU: 266936
$112.10
MSRP: $128.92
You save 15%
Dungs 266936 Air Pressure Switch 2–20" WC SPDT NEMA 4 quantity
0.4–4″ WC SPDT NEMA 4 Air Pressure Switch with 1/4″ NPT Positive & 1/8″ NPT Negative Ports

DUNGS Combustion Controls

SKU: 266934
$111.40
MSRP: $128.11
You save 15%
DUNGS 266934 0.4–4″ WC SPDT NEMA 4 Air Pressure Switch with 1/4″ NPT Positive & 1/8″ NPT Negative Ports quantity
0.16–1.2″ WC SPDT NEMA 4 Air Pressure Switch with 1/4″ NPT Positive & 1/8″ NPT Negative Ports

DUNGS Combustion Controls

SKU: 266932
$111.40
MSRP: $128.11
You save 15%
DUNGS 266932 0.16–1.2″ WC SPDT NEMA 4 Air Pressure Switch with 1/4″ NPT Positive & 1/8″ NPT Negative Ports quantity
40–200″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266930
$153.89
MSRP: $176.97
You save 15%
DUNGS 266930 40–200″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4 quantity
12–60″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266928
$136.11
MSRP: $156.53
You save 15%
DUNGS 266928 12–60″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4 quantity
12–60″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266925
$136.96
MSRP: $157.50
You save 15%
DUNGS 266925 12–60″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4 quantity
40–200″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266923
$146.85
MSRP: $168.88
You save 15%
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2–20″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266921
$129.94
MSRP: $149.43
You save 15%
DUNGS 266921 2–20″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4 quantity
0.4–4″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266920
$129.94
MSRP: $149.43
You save 15%
DUNGS 266920 0.4–4″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4 quantity
0.16–1.2″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266919
$129.94
MSRP: $149.43
You save 15%
DUNGS 266919 0.16–1.2″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4 quantity
2–20″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266916
$129.94
MSRP: $149.43
You save 15%
DUNGS 266916 2–20″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4 quantity
2–20″ WC SPDT Air Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266912
$94.19
MSRP: $108.32
You save 15%
Read more
0.4–4″ WC SPDT Air Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266911
$93.98
MSRP: $108.08
You save 15%
DUNGS 266911 0.4–4″ WC SPDT Air Pressure Switch NEMA 4 quantity
0.16–1.2″ WC SPDT Air Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266910
$93.98
MSRP: $108.08
You save 15%
DUNGS 266910 0.16–1.2″ WC SPDT Air Pressure Switch NEMA 4 quantity
1–10 mbar SPDT Auto Reset Air Pressure Switch IP54

DUNGS Combustion Controls

SKU: 266848
$103.55
MSRP: $119.08
You save 15%
DUNGS 266848 1–10 mbar SPDT Auto Reset Air Pressure Switch IP54 quantity
0.4–3 mbar SPDT Auto Reset Air Pressure Switch IP54

DUNGS Combustion Controls

SKU: 266847
$103.55
MSRP: $119.08
You save 15%
DUNGS 266847 0.4–3 mbar SPDT Auto Reset Air Pressure Switch IP54 quantity
HVAC Pressure/Control Switch

Trane

SKU: SWT2336
$73.50
MSRP: $84.53
You save 15%
Trane SWT2336 HVAC Pressure/Control Switch quantity
Pressure Switch

Trane

SKU: SWT2514
$121.18
MSRP: $139.36
You save 15%
Trane SWT2514 Pressure Switch quantity
Pressure Switch

Trane

SKU: SWT3324
$109.90
MSRP: $126.39
You save 15%
Trane SWT3324 Pressure Switch quantity
Pressure Switch – OEM 1.15″ WC SPST

Trane

SKU: SWT3246
$109.25
MSRP: $125.64
You save 15%
Trane SWT3246 Pressure Switch – OEM 1.15″ WC SPST quantity
Pressure Switch

Trane

SKU: SWT3245
$128.08
MSRP: $147.29
You save 15%
Trane SWT3245 Pressure Switch quantity
Pressure Switch

Trane

SKU: SWT3221
$109.94
MSRP: $126.43
You save 15%
Trane SWT3221 Pressure Switch quantity
Pressure Switch

Trane

SKU: SWT3220
$102.53
MSRP: $117.91
You save 15%
Trane SWT3220 Pressure Switch quantity
Pressure Switch

Trane

SKU: CNT5641
$81.61
MSRP: $93.85
You save 15%
Trane CNT5641 Pressure Switch quantity
Dual Pressure Switch

Trane

SKU: SWT2979
$86.01
MSRP: $98.91
You save 15%
Trane SWT2979 Dual Pressure Switch quantity
SPST Air Pressure Switch

Trane

SKU: CNT3671
$129.25
MSRP: $148.64
You save 15%
Trane CNT3671 SPST Air Pressure Switch quantity
.98″ WC SPST Pressure Switch

Trane

SKU: SWT2976
$56.99
MSRP: $65.54
You save 15%
Trane SWT2976 .98″ WC SPST Pressure Switch quantity
24 V Pressure Switch

Trane

SKU: SWT2973
$85.89
MSRP: $98.77
You save 15%
Trane SWT2973 24 V Pressure Switch quantity
Pressure Switch

Trane

SKU: SWT2965
$89.70
MSRP: $103.16
You save 15%
Trane SWT2965 Pressure Switch quantity
High‑Pressure Switch (SPST, 650/500)

Trane

SKU: SWT3274
$32.50
MSRP: $37.38
You save 15%
Trane SWT3274 High‑Pressure Switch (SPST, 650/500) quantity
Wet/Wet Differential Pressure Switch

Dwyer

SKU: DXW-11-153-1
$161.11
MSRP: $185.28
You save 15%
Dwyer DXW‑11‑153‑1 Wet/Wet Differential Pressure Switch quantity
Differential Pressure Switch

Dwyer

SKU: 1950-20-2F
$398.96
MSRP: $458.80
You save 15%
Read more
Explosion-Proof Differential Pressure Switch

Dwyer

SKU: 1950-1-2F
$398.96
MSRP: $458.80
You save 15%
Dwyer 1950‑1‑2F Differential Pressure Switch quantity
Low Differential Pressure Switch (4.0–20.0″ W.C.)

Dwyer

SKU: 1910-20
$99.23
MSRP: $114.11
You save 15%
Dwyer 1910‑20 Low Differential Pressure Switch (4.0–20.0" W.C.) quantity
Compact Low Differential Pressure Switch

Dwyer

SKU: 1910-10
$99.23
MSRP: $114.11
You save 15%
Dwyer 1910‑10 Compact Low Differential Pressure Switch quantity
Compact Low Differential Pressure Switch

Dwyer

SKU: 1910-00
$105.10
MSRP: $120.87
You save 15%
Dwyer 1910‑00 Compact Low Differential Pressure Switch quantity
Compact Low Differential Pressure Switch

Dwyer

SKU: 1910-0
$99.23
MSRP: $114.11
You save 15%
Dwyer 1910-0 Compact Low Differential Pressure Switch quantity
Differential Pressure Switch

Dwyer

SKU: 1900-5MR
$148.74
MSRP: $171.05
You save 15%
Read more
Differential Pressure Switch

Dwyer

SKU: 1900-10MR
$148.74
MSRP: $171.05
You save 15%
Dwyer 1900‑10‑MR Differential Pressure Switch quantity
Wet/Wet Differential Pressure Switch

Dwyer

SKU: DXW-11-153-2
$162.36
MSRP: $186.71
You save 15%
Dwyer DXW‑11‑153‑2 Wet/Wet Differential Pressure Switch quantity
Water Pump Pressure Switch

Dwyer

SKU: CXA-R1
$27.86
MSRP: $32.04
You save 15%
Dwyer CXA‑R1 Water Pump Pressure Switch quantity
Adjustable Differential Pressure Switch

Dwyer

SKU: ADPS-08-1-N
$34.65
MSRP: $39.85
You save 15%
Dwyer ADPS‑08‑1‑N Adjustable Differential Pressure Switch quantity
Adjustable Differential Pressure Switch

Dwyer

SKU: ADPS-08-2-N
$34.65
MSRP: $39.85
You save 15%
Dwyer ADPS‑08‑2‑N Adjustable Differential Pressure Switch quantity
Pressure Switch

Reznor

SKU: 201159
$78.55
MSRP: $90.33
You save 15%
Reznor 201159 Pressure Switch quantity
High Altitude Pressure Switch

Reznor

SKU: 197031
$90.68
MSRP: $104.28
You save 15%
Reznor 197031 High Altitude Pressure Switch quantity