Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Robertshaw 2374-503 Adjustable Set-Point Air Pressure Switch - Adjustable Set-Point Air Pressure Switches
RobertshawAdjustable Set-Point Air Pressure Switches

Robertshaw 2374-503 Adjustable Set-Point Air Pressure Switch

The Robertshaw 2374-503 is an adjustable set-point air pressure switch with an auto-reset function, featuring a set-point range of 0.05 in wc to 12 in wc. It includes a conduit box and a SPDT switch rated at 28V DC…

SKU 3G-OTH-68340

Also listed as: 2374503 · 2374 503

Brand
Robertshaw
Item
2374-503 Adjustable Set-Point Air Pressure Switch
Category
Adjustable Set-Point Air Pressure Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Robertshaw
Manufacturer Part Number
2374-503
Switch Voltage
28V DC

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Robertshaw Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Robertshaw 2374-503 is an adjustable set-point air pressure switch with an auto-reset function, featuring a set-point range of 0.05 in wc to 12 in wc. It includes a conduit box and a SPDT switch rated at 28V DC. This product is designed for industrial applications requiring precise air pressure monitoring and control.

Frequently Asked Questions

What is the Robertshaw 2374-503 air pressure switch used for?

The Robertshaw 2374-503 adjustable set-point air pressure switch monitors and controls air pressure in industrial HVAC, combustion, and ventilation systems. It auto-resets and activates SPDT contacts at 28V DC when pressure deviates from the 0.05 to 12 in wc range.

What are the specifications of the Robertshaw 2374-503?

The Robertshaw 2374-503 is an adjustable set-point air pressure switch with auto-reset, a range of 0.05 in wc to 12 in wc, and a SPDT switch rated at 28V DC. It includes a conduit box for wiring. The manufacturer part number is 2374-503.

Where to buy the Robertshaw 2374-503 worldwide?

3G Electric supplies the Robertshaw 2374-503 adjustable air pressure switch worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

How to install the Robertshaw 2374-503 air pressure switch?

Mount the Robertshaw 2374-503 securely in a dry location, connect conduit to the box, and wire the SPDT contacts per your control circuit (28V DC max). Adjust the set-point within the 0.05 to 12 in wc range using the adjustment screw. Test for proper auto-reset operation.

Used in

Common applications for Robertshaw
Commercial HVAC — Robertshaw RS10420T digital WiFi thermostat for programmable heat and cool control in office buildings
Furnace ignition — Robertshaw 41-230 universal hot surface ignitor for silicon carbide replacement in residential and light commercial furnaces
Airflow monitoring — Robertshaw 2374-509 adjustable air pressure switch for draft sensing in industrial burner systems
Gas-fired equipment — Robertshaw 1820-009 universal pilot assembly with thermopile for natural gas or LP water heaters and boilers
Vibration protection — Robertshaw 366A0 mechanical vibration switch for pump and compressor monitoring in industrial plants
OEM replacement — Robertshaw 41-428N direct spark igniter for Trane HVAC equipment requiring silicon nitride ignitors

Robertshaw Products

3G Electric supplies Robertshaw adjustable set-point air pressure switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Adjustable set-point air pressure switch kit with manual reset. SPDT switching. Set-point range 0.1 in wc to 10 in wc. Voltage ratings: 120V AC, 24V AC, 277V AC. Connection size 3/16 in. Used for pressure monitoring and control in HVAC, combustion, and process systems
Robertshaw
Adjustable set-point air pressure switch kit with manual reset. SPDT switching. Set-point range 0.1 in wc to 10 in wc. Voltage ratings: 120V AC, 24V AC, 277V AC. Connection size 3/16 in. Used for pressure monitoring and control in HVAC, combustion, and process systems
Adjustable set-point air pressure switch with auto reset, SPDT contacts, and 115V AC rating. Adjustable range from 0.05 to 12 inches of water column. Housed in a conduit box enclosure. Commonly used in HVAC and ventilation systems to monitor airflow or pressure differentials
TJERNLUND
Adjustable set-point air pressure switch with auto reset, SPDT contacts, and 115V AC rating. Adjustable range from 0.05 to 12 inches of water column. Housed in a conduit box enclosure. Commonly used in HVAC and ventilation systems to monitor airflow or pressure differentials
Auto-reset air pressure switch with adjustable set-point range of 0.05 to 1 in wc. Features SPDT contacts rated for 120 to 277V AC, housed in a conduit box with integral compression connection. Used in HVAC systems to monitor duct or furnace pressure and signal when pressure deviates from set range
Siemens
Auto-reset air pressure switch with adjustable set-point range of 0.05 to 1 in wc. Features SPDT contacts rated for 120 to 277V AC, housed in a conduit box with integral compression connection. Used in HVAC systems to monitor duct or furnace pressure and signal when pressure deviates from set range
Auto-reset adjustable air pressure switch with SPDT contacts, 1/8 in NPT connection, and a set-point range of 0.3 in wc to 1.4 in wc. Housed in a conduit box for wiring. Used in HVAC systems for sensing low differential air pressure, such as fan status, filter monitoring, or airflow proving in ductwork and ventilation applications
JOHNSON CONTROLS
Auto-reset adjustable air pressure switch with SPDT contacts, 1/8 in NPT connection, and a set-point range of 0.3 in wc to 1.4 in wc. Housed in a conduit box for wiring. Used in HVAC systems for sensing low differential air pressure, such as fan status, filter monitoring, or airflow proving in ductwork and ventilation applications
Auto reset air pressure switch with adjustable set-point from 0.08 to 1.2 in wc. SPDT contacts, barb connection, standard housing, rated 250V AC. Used for sensing low air pressure differentials in HVAC and ventilation systems
Dwyer
Auto reset air pressure switch with adjustable set-point from 0.08 to 1.2 in wc. SPDT contacts, barb connection, standard housing, rated 250V AC. Used for sensing low air pressure differentials in HVAC and ventilation systems

More from Robertshaw

View all Robertshaw parts
Adjustable set-point air pressure switch with manual reset, SPDT contacts, and open mounting. Switch voltage rating 120 to 277 VAC. Set-point range 0.15 in wc to 2 in wc. Used in HVAC and industrial systems for air pressure monitoring and control
Robertshaw
Adjustable set-point air pressure switch with manual reset, SPDT contacts, and open mounting. Switch voltage rating 120 to 277 VAC. Set-point range 0.15 in wc to 2 in wc. Used in HVAC and industrial systems for air pressure monitoring and control
Adjustable set-point air pressure switch with auto reset, set-point range 0.05 to 12 in wc. SPDT contacts rated 28V DC. Housed in a conduit box with push-on terminals. Used in HVAC and industrial systems to sense differential air pressure for fan, damper, or filter control
Robertshaw
Adjustable set-point air pressure switch with auto reset, set-point range 0.05 to 12 in wc. SPDT contacts rated 28V DC. Housed in a conduit box with push-on terminals. Used in HVAC and industrial systems to sense differential air pressure for fan, damper, or filter control
Adjustable set-point air pressure switch with auto-reset function. Set-point range 0.05 to 12 in wc. SPDT switch rated 120V AC. Conduit box enclosure. Used for air pressure monitoring and control in HVAC and industrial systems
Robertshaw
Adjustable set-point air pressure switch with auto-reset function. Set-point range 0.05 to 12 in wc. SPDT switch rated 120V AC. Conduit box enclosure. Used for air pressure monitoring and control in HVAC and industrial systems
Adjustable set-point air pressure switch with auto reset function. Set-point range 0.02 to 0.5 in wc. SPDT switch rated at 28V DC. Housed in a conduit box. Used for pressure monitoring in HVAC and process control systems
Robertshaw
Adjustable set-point air pressure switch with auto reset function. Set-point range 0.02 to 0.5 in wc. SPDT switch rated at 28V DC. Housed in a conduit box. Used for pressure monitoring in HVAC and process control systems
Adjustable set-point air pressure switch with manual reset, SPDT contacts, and open mounting. Pressure range 0.15 to 5 in wc, rated 28V DC. Used in HVAC, combustion, and process control systems for low-pressure monitoring such as airflow or draft pressure proofing
Robertshaw
Adjustable set-point air pressure switch with manual reset, SPDT contacts, and open mounting. Pressure range 0.15 to 5 in wc, rated 28V DC. Used in HVAC, combustion, and process control systems for low-pressure monitoring such as airflow or draft pressure proofing
Adjustable set-point air pressure switch with auto-reset function. Features a set-point range of 0.05 to 12 inches of water column. Single-pole, double-throw (SPDT) switching. Housed in a conduit box. Operates at 120V AC. Used for monitoring and controlling air pressure in HVAC, pneumatic, and process systems
Robertshaw
Adjustable set-point air pressure switch with auto-reset function. Features a set-point range of 0.05 to 12 inches of water column. Single-pole, double-throw (SPDT) switching. Housed in a conduit box. Operates at 120V AC. Used for monitoring and controlling air pressure in HVAC, pneumatic, and process systems
Auto reset adjustable set-point air pressure switch with SPDT switching, 120V AC, and adjustable range of 0.4 in wc to 12 in wc. Features a conduit box enclosure and integral compression connection. Used for pressure monitoring and control in HVAC, combustion safety, and process control applications
Robertshaw
Auto reset adjustable set-point air pressure switch with SPDT switching, 120V AC, and adjustable range of 0.4 in wc to 12 in wc. Features a conduit box enclosure and integral compression connection. Used for pressure monitoring and control in HVAC, combustion safety, and process control applications