Shop All Pressure Switches
Dwyer Instruments
Large Diaphragm Pressure Switch
Mfr # 1638-2
Zoro # G3219520
product price: $509.99
/ea
Free Shipping & Returns
$509.99
Free Shipping on orders over $50
after youÂ
Free 30-Day Returns
Key Features
- Application Air Conditioning, Duct Heater Control
- Standards CSA, FM, UL Listed
- Contact Form SPDT
- Housing Material Steel
- Features Visible set point indicator simplifies operation and trouble shooting; Large diaphragm provides low range accuracy providing precise control; Current loads of up to 15 amps supports most small electrical loads supporting a broader range of HVAC and Process applications without the need for additional relays and components
Get 10% Off Your First Order
Real Support From Real People
Contact Our U.S.-Based teams
Free 30-Day Returns
Return Policy
Accepted Payment Options
![paypal](https://www.zoro.com/static/assets/img/base/icons/paypal-81447b0e73.png)
Product Information
- Brand Dwyer Instruments
- MFR # 1638-2
- Zoro # G3219520
- Country of Origin United States
- Category Pressure Switches
Dimensions
Overall Width | 5 7/8 in |
Overall Height | 6 1/2 in |
Mounting Hole Diameter | 5/16 in |
Sample Line Connection Size | 1/8 in |
Overall Depth | 3 1/8 in |
Description
Pressure Switch, Application Air Conditioning, Duct Heater Control, Contact Form SPDT, Electrical Connection Type Screw Terminals, Electrical Rating 1/4 hp @ 250 V AC, 60 Hz, 15 A @ 120 to 480 V AC, 60 Hz, Resistive 1/8 hp @ 125 V AC, Housing Material Steel, Housing Material Finish Zinc Plated, Housing Type Conduit Box, Input Voltage 120 to 480V AC, 125V AC, 250V AC, Maximum Differential Pressure Setting 3 in wc, Maximum Operating Temperature 110 Degrees F, Maximum Pressure Rating 10 psig
Ratings & Reviews
3 Reasons You Can Count On Us
Supplies for every job.
10 million items and the exact one you need.
When you need it fast, count on Zoro!
2 million products ship in 1 day.
Stretch your budget further.
Everyday low prices on the brands you love.
Explore More Products
- L.H. DOTTIE L.H. Dottie 3/4'' EMT Strut Clamp, 100PK (SC75E)
- SCHNEIDER ELECTRIC Lamp Module With Bulb 22 mm, White (ZBVJ1)
- SIEMENS Pilot Light, Transformer, Amb, 240VAC, 30mm (52PL4H9)
- SQUARE D Load Center, QO, 20 Spaces, 125A, 120/240V, Main Lug, 1 Phase (QO120L125PG)
- DWYER INSTRUMENTS Pressure Switch, Differential, 0.12to1.6In (ADPS-04-2-N)
- DWYER INSTRUMENTS Differential Pressure Switch 2.0-10.0 In (1823-10)
- DWYER INSTRUMENTS Manual Reset Pressure Switch (1900-10-MR)
- DWYER INSTRUMENTS Bourdon Tube Pressure Switches, Press Sw (DA-31-2-4)
- DWYER INSTRUMENTS Differential Pressure Switch, 0812 M20 (EDPS-08-2-N)
- DWYER INSTRUMENTS Pressure Switch Series 1900 (1910-10)
- NOSHOK 200 Series Pressure Switch, Steel, SPDT, , 1/4" NPT, 125-600 psi, Spade Terminals (200H-3-2-125/600-4)
- Dwyer Instruments Pressure Switches