Skip to content

Pressure Switches

HVAC pressure switches are safety and control components used to verify proper airflow, draft, and system pressure before and during operation. NWF Supply offers a selection of OEM and OEM replacement pressure switches compatible with major HVAC manufacturers including Nordyne, Frigidaire, Lennox, Trane, and York.

These pressure switches are commonly used in gas furnaces, packaged units, and air handlers to monitor inducer operation, venting conditions, and system safety circuits. All replacement switches are matched to original equipment specifications for pressure rating, electrical configuration, hose connection size, and mounting style to ensure proper system operation and reliable safety performance.

Our inventory includes direct-replacement HVAC pressure switches designed for accurate sensing, consistent operation, and dependable performance in residential and light commercial HVAC applications.

Original price $151.00 - Original price $151.00
Original price
$151.00
$151.00 - $151.00
Current price $151.00

SWT2522 Trane Air Pressure Switch

Trane International Inc
Out of stock

TRANE® Air Pressure Switch, Contact Configuration: SPST, 1.15 in-WC, 1/15 hp, Additional Information: For Use With Standard Gas Furnaces

Original price $151.00 - Original price $151.00
Original price
$151.00
$151.00 - $151.00
Current price $151.00
Sold out
Original price $399.00 - Original price $399.00
Original price
$399.00
$399.00 - $399.00
Current price $399.00

L4079B1033 Honeywell Pressure Switch

Honeywell International Inc
Out of stock

Honeywell Pressure Switch, NPT Connection, Manual Switching Action, Contact Configuration: SPST, 25 psi, 9.8/4.9 A Full Load, 58.8 A at 120 VAC, 29...

View full details
Original price $399.00 - Original price $399.00
Original price
$399.00
$399.00 - $399.00
Current price $399.00
Sold out
Original price $319.00 - Original price $319.00
Original price
$319.00
$319.00 - $319.00
Current price $319.00

C6097B3002 Honeywell Gas Pressure Switch

Honeywell International Inc
Out of stock

Honeywell Gas Pressure Switch, C6097 Series, 24 - 240 V, 5 A, 1 to 60 in-WC, 8.5 psi With Venting Line, 7 psi Without Venting Line Maximum Pressure...

View full details
Original price $319.00 - Original price $319.00
Original price
$319.00
$319.00 - $319.00
Current price $319.00
Sold out
Original price $799.00 - Original price $799.00
Original price
$799.00
$799.00 - $799.00
Current price $799.00

L91B1050 Honeywell Pressure Controller

Honeywell International Inc
Out of stock

Honeywell Pressure Controller, L91B Series, 24 VAC, NPT Connection, Modulating Switching Action, 225 psi, Surface Mounting, Brass Diaphragm, Screw ...

View full details
Original price $799.00 - Original price $799.00
Original price
$799.00
$799.00 - $799.00
Current price $799.00
Sold out
Original price $42.00 - Original price $42.00
Original price
$42.00
$42.00 - $42.00
Current price $42.00

65W63 Lennox Microtechnologies Pressure Switch

Lennox International
Out of stock

LennoxPROs® Microtechnologies Pressure Switch, 125 VAC, 5 A, 0.1 in-WC Open Pressure, NO SPST Switch, Snap Switching Action

Original price $42.00 - Original price $42.00
Original price
$42.00
$42.00 - $42.00
Current price $42.00
Sold out
Original price $185.00 - Original price $185.00
Original price
$185.00
$185.00 - $185.00
Current price $185.00

P70AA-118 Penn Pressure Control

Johnson Controls
Out of stock

PENN® Pressure Control, P70 Series, SPST Open on Low Switching Action, 100 to 400 lbf/sq-in, 20 A Full Load, 120 A Locked Rotor, 22 A Non-Inductive...

View full details
Original price $185.00 - Original price $185.00
Original price
$185.00
$185.00 - $185.00
Current price $185.00
Sold out
Original price $341.00 - Original price $341.00
Original price
$341.00
$341.00 - $341.00
Current price $341.00

P70LB-1 Penn Dual Pressure Control

Johnson Controls
Out of stock

PENN® Dual Pressure Control, P70 Series, 120 - 600 V, 100 to 500 psig, 500 psig Maximum Pressure, 65 psig Differential Pressure, SPST Switching Act...

View full details
Original price $341.00 - Original price $341.00
Original price
$341.00
$341.00 - $341.00
Current price $341.00
Sold out
Original price $45.26 - Original price $45.26
Original price
$45.26
$45.26 - $45.26
Current price $45.26

2374-510 Robertshaw Air Pressure Sensing Switch Kit

Robertshaw
Out of stock

Robertshaw® Air Pressure Sensing Switch Kit, 5 A, 24/120/277 VAC, Quick-Connect Connection, Contact Configuration: SPDT, 0.1 to 10 in-WC, 1/10 hp a...

View full details
Original price $45.26 - Original price $45.26
Original price
$45.26
$45.26 - $45.26
Current price $45.26
Sold out
Original price $303.00 - Original price $303.00
Original price
$303.00
$303.00 - $303.00
Current price $303.00

C6097A3004 Honeywell Pressure Switch

Honeywell International Inc
Out of stock

Honeywell Pressure Switch, 1 to 500 mbar, 1/4 x 1/8 in Connection, NPT Connection, Additional Information: 24 - 250 VAC, 0.05 to 5 A Silver Contact

Original price $303.00 - Original price $303.00
Original price
$303.00
$303.00 - $303.00
Current price $303.00
Sold out
Original price $44.00 - Original price $44.00
Original price
$44.00
$44.00 - $44.00
Current price $44.00

ADPS-03-2-N Dwyer Differential Pressure Switch

Dwyer Instruments
Out of stock

Dwyer® Differential Pressure Switch, ADPS Series, Push-On Screw Terminal Connection, 0.2 to 2 in-WC, Vertical Mounting, POM, NEMA 3 Enclosure, 4 to...

View full details
Original price $44.00 - Original price $44.00
Original price
$44.00
$44.00 - $44.00
Current price $44.00
Sold out
Original price $128.00 - Original price $128.00
Original price
$128.00
$128.00 - $128.00
Current price $128.00

8101111202 Antunes Gas Pressure Switch

Antunes
Out of stock

Antunes Gas Pressure Switch, Model: HGP-G, 10 A, 125/250 VAC, 2 to 20 in-WC, 1/3 hp, -40 to 170 deg F

Original price $128.00 - Original price $128.00
Original price
$128.00
$128.00 - $128.00
Current price $128.00
Sold out
Original price $314.00 - Original price $314.00
Original price
$314.00
$314.00 - $314.00
Current price $314.00

C6097A3012 Honeywell Gas Pressure Switch

Honeywell International Inc
Out of stock

Honeywell Gas Pressure Switch, C6097 Series, 24 - 240 V, 5 A, 1 to 20 in-WC, 8.5 psi With Venting Line, 7 psi Without Venting Line Maximum Pressure...

View full details
Original price $314.00 - Original price $314.00
Original price
$314.00
$314.00 - $314.00
Current price $314.00
Sold out
Original price $250.00 - Original price $250.00
Original price
$250.00
$250.00 - $250.00
Current price $250.00

C6097A3053 Honeywell Gas Pressure Switch

Honeywell International Inc
Out of stock

Honeywell Gas Pressure Switch, C6097 Series, 24 - 240 V, 5 A, 1 to 20 in-WC, 8.5 psi With Venting Line, 7 psi Without Venting Line Maximum Pressure...

View full details
Original price $250.00 - Original price $250.00
Original price
$250.00
$250.00 - $250.00
Current price $250.00
Sold out
Original price $181.00 - Original price $181.00
Original price
$181.00
$181.00 - $181.00
Current price $181.00

CNT3520 Trane Vent Pressure Switch

Trane International Inc
Out of stock

TRANE® Vent Pressure Switch, Contact Configuration: SPDT, -0.15 in-WC

Original price $181.00 - Original price $181.00
Original price
$181.00
$181.00 - $181.00
Current price $181.00
Sold out
Original price $128.00 - Original price $128.00
Original price
$128.00
$128.00 - $128.00
Current price $128.00

8103116202 Antunes Gas Pressure Switch

Antunes
Out of stock

Antunes Gas Pressure Switch, Model: LGP-G, 10 A, 125/250 VAC, 1 to 20 in-WC, 1/3 hp, -40 to 170 deg F

Original price $128.00 - Original price $128.00
Original price
$128.00
$128.00 - $128.00
Current price $128.00
Sold out
Original price $123.00 - Original price $123.00
Original price
$123.00
$123.00 - $123.00
Current price $123.00

HK06WC090 Carrier Air Pressure Switch

Carrier
Out of stock

Carrier® Air Pressure Switch, Male Spade Terminal Connection, Contact Configuration: NO, 0.13 to 0.33 in-WC, Additional Information: For Use With 3...

View full details
Original price $123.00 - Original price $123.00
Original price
$123.00
$123.00 - $123.00
Current price $123.00
Sold out
Original price $453.00 - Original price $453.00
Original price
$453.00
$453.00 - $453.00
Current price $453.00

L404F1102 Honeywell Pressure Controller

Honeywell International Inc
Out of stock

Honeywell Pressure Controller, L404F Series, 120/240 VAC, NPT Connection, Diaphragm Actuator, Auto Recycle, Snap Switch Switching Action, Contact C...

View full details
Original price $453.00 - Original price $453.00
Original price
$453.00
$453.00 - $453.00
Current price $453.00
Sold out
Original price $718.00 - Original price $718.00
Original price
$718.00
$718.00 - $718.00
Current price $718.00

L91B1035 Honeywell Pressure Controller

Honeywell International Inc
Out of stock

Honeywell Pressure Controller, L91B Series, NPT Connection, Modulating Switching Action, 25 psi, Surface Mounting, Brass Diaphragm, Screw Terminal ...

View full details
Original price $718.00 - Original price $718.00
Original price
$718.00
$718.00 - $718.00
Current price $718.00
Sold out
Original price $29.00 - Original price $29.00
Original price
$29.00
$29.00 - $29.00
Current price $29.00

57W79 Lennox Pressure Switch

Lennox International
Out of stock

Lennox PROs® Pressure Switch, 0.7 in-WC, Green Housing

Original price $29.00 - Original price $29.00
Original price
$29.00
$29.00 - $29.00
Current price $29.00
Sold out
Original price $102.00 - Original price $102.00
Original price
$102.00
$102.00 - $102.00
Current price $102.00

10U93 Lennox Pressure Switch

Lennox International
Out of stock

Lennox® Pressure Switch, Contact Configuration: SPST, -0.65 in-WC

Original price $102.00 - Original price $102.00
Original price
$102.00
$102.00 - $102.00
Current price $102.00
Sold out
Original price $294.00 - Original price $294.00
Original price
$294.00
$294.00 - $294.00
Current price $294.00

24-014 United Electric Pressure Switch

United Electric Controls
Out of stock

United Electric Controls Pressure Switch, 24 Series, 5 A, Screw Terminal Connection, Contact Configuration: SPDT, 0 to 150 psid, Surface Mounting, ...

View full details
Original price $294.00 - Original price $294.00
Original price
$294.00
$294.00 - $294.00
Current price $294.00
Sold out
Original price $309.00 - Original price $309.00
Original price
$309.00
$309.00 - $309.00
Current price $309.00

C6097B3028 Honeywell Gas Pressure Switch

Honeywell International Inc
Out of stock

Honeywell Gas Pressure Switch, C6097 Series, 24 - 240 V, 5 A, 1 to 20 in-WC, 8.5 psi With Venting Line, 7 psi Without Venting Line Maximum Pressure...

View full details
Original price $309.00 - Original price $309.00
Original price
$309.00
$309.00 - $309.00
Current price $309.00
Sold out
Original price $106.00 - Original price $106.00
Original price
$106.00
$106.00 - $106.00
Current price $106.00

SWT2979 Trane Pressure Switch

Trane International Inc
Out of stock

TRANE® Pressure Switch

Original price $106.00 - Original price $106.00
Original price
$106.00
$106.00 - $106.00
Current price $106.00
Sold out
Original price $186.00 - Original price $186.00
Original price
$186.00
$186.00 - $186.00
Current price $186.00

P70AB-2 Penn Low Pressure Controller

Johnson Controls
Out of stock

PENN® Low Pressure Controller, P70 Series, 1 ph Phase, 1/4 in Nominal, Flare Nut Connection, SPST Open Low Switching Action, 325 lbf/sq-in, 17 A at...

View full details
Original price $186.00 - Original price $186.00
Original price
$186.00
$186.00 - $186.00
Current price $186.00
Sold out