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

Dayton Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 30 psi / 50 psi ON/OFF - General Purpose Pressure Switches for Air & Water
DaytonGeneral Purpose Pressure Switches for Air & Water

Dayton Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 30 psi / 50 psi ON/OFF

The DAYTON is a standard general-purpose pressure switch for air and water, featuring a diaphragm actuator and a 1/4" FNPT connection. It operates with an Auto/Off mode and has a pressure range of 10 psi to 100 psi…

SKU 3G-OTH-171902

Brand
Dayton
Item
Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 30 psi / 50 psi ON/OFF
Category
General Purpose Pressure Switches for Air & Water
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

Dayton
Type
10 psi – 100 psi, Diaphragm Actuator
FNPT
1/4"
ON/OFF
30 psi / 50 psi

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

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

Product Description

The DAYTON is a standard general-purpose pressure switch for air and water, featuring a diaphragm actuator and a 1/4" FNPT connection. It operates with an Auto/Off mode and has a pressure range of 10 psi to 100 psi, with an ON/OFF differential of 30 psi/50 psi.

Frequently Asked Questions

What is the DAYTON 3G-OTH-171902 pressure switch used for?

The DAYTON 3G-OTH-171902 is a general-purpose pressure switch designed for air and water applications. It uses a diaphragm actuator and a 1/4" FNPT connection to monitor and control system pressure, making it suitable for industrial equipment, pumps, and compressors.

What are the specifications of the DAYTON 3G-OTH-171902 pressure switch?

The DAYTON 3G-OTH-171902 is a standard pressure switch with a diaphragm actuator, 1/4" FNPT connection, and Auto/Off mode. It has a pressure range of 10 psi to 100 psi with an ON/OFF differential of 30 psi/50 psi. The manufacturer part number is 3G-OTH-171902.

Where to buy the DAYTON 3G-OTH-171902 pressure switch worldwide?

You can source the DAYTON 3G-OTH-171902 pressure switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

How to install the DAYTON 3G-OTH-171902 pressure switch?

Install the DAYTON 3G-OTH-171902 by connecting the 1/4" FNPT port to the system line, ensuring proper sealing. Set the Auto/Off mode as needed. Always follow standard safety practices for pressure systems and consult the manufacturer's guidelines for specific wiring and adjustment procedures.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton general purpose pressure switches for air & water. 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
DAYTON Switch: Mfr No 020346
Dayton
DAYTON Switch: Mfr No 020346
DAYTON Pressure Switch Kit: Mfr No PP2114SKII02G
Dayton
DAYTON Pressure Switch Kit: Mfr No PP2114SKII02G
DAYTON Pressure Switch Kit: Mfr No PP21000402G, Compatible Mfr No 4HEY8/4HEY9/4HFA2
Dayton
DAYTON Pressure Switch Kit: Mfr No PP21000402G, Compatible Mfr No 4HEY8/4HEY9/4HFA2
Dayton
Dayton
DAYTON Pressure Switch: Mfr Part # TP-1060D
DAYTON Pressure Switch Kit: Mfr No PP24253AF0103G, Shallow Well Jet Pump
Dayton
DAYTON Pressure Switch Kit: Mfr No PP24253AF0103G, Shallow Well Jet Pump
DAYTON Pressure Switch: for Booster Pump, For Use With 4HFA6/4HFA7/4HFA8, Pressure Switch (MPN PP5132007G)
Dayton
DAYTON Pressure Switch: for Booster Pump, For Use With 4HFA6/4HFA7/4HFA8, Pressure Switch (MPN PP5132007G)

More from Dayton

View all Dayton parts
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 20 psi / 40 psi ON/OFF, Diaphragm Actuator
Dayton
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 20 psi / 40 psi ON/OFF, Diaphragm Actuator
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 40 psi / 60 psi ON/OFF, Diaphragm Actuator
Dayton
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 40 psi / 60 psi ON/OFF, Diaphragm Actuator
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 20 psi / 40 psi ON/OFF, Diaphragm Actuator
Dayton
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 20 psi / 40 psi ON/OFF, Diaphragm Actuator
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 30 psi / 50 psi ON/OFF, Diaphragm Actuator
Dayton
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 30 psi / 50 psi ON/OFF, Diaphragm Actuator
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 40 psi / 60 psi ON/OFF, Diaphragm Actuator
Dayton
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 40 psi / 60 psi ON/OFF, Diaphragm Actuator
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 30 psi / 50 psi ON/OFF, Diaphragm Actuator
Dayton
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 30 psi / 50 psi ON/OFF, Diaphragm Actuator
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 40 psi / 60 psi ON/OFF, Diaphragm Actuator
Dayton
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 40 psi / 60 psi ON/OFF, Diaphragm Actuator
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 20 psi / 40 psi ON/OFF, Diaphragm Actuator
Dayton
DAYTON Pressure Switch: Std, 10 psi – 100 psi, 1/4" FNPT, 20 psi / 40 psi ON/OFF, Diaphragm Actuator