Dwyer Pressure Switch: Adj, 4 in wc to 20 in wc, SPDT, 1/8 in Sample Line Connection Size
The Dwyer 1910-20 is an adjustable set-point air pressure switch with a SPDT switching element. It features a sample line connection size of 1/8 inch NPT and an adjustable range of 4 to 20 inches of water column…
SKU 3G-OTH-69329
Also listed as: 191020 · 1910 20
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The Dwyer 1910-20 is an adjustable set-point air pressure switch with a SPDT switching element. It features a sample line connection size of 1/8 inch NPT and an adjustable range of 4 to 20 inches of water column. This switch operates at a voltage of 120 to 480V AC.
Frequently Asked Questions
What is the Dwyer 1910-20 pressure switch used for?
The Dwyer 1910-20 adjustable set-point air pressure switch is used to monitor or control air pressure in HVAC, ventilation, and industrial process systems. It actuates a SPDT switch when pressure reaches the set point between 4 and 20 inches of water column.
What are the specifications of the Dwyer 1910-20?
The Dwyer 1910-20 is an adjustable set-point air pressure switch with a range of 4 to 20 in wc. It has a SPDT switching element, a sample line connection size of 1/8 in NPT, and operates at 120 to 480V AC. The manufacturer part number is 1910-20.
Where to buy the Dwyer 1910-20 worldwide?
You can source the Dwyer 1910-20 pressure switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to install the Dwyer 1910-20 pressure switch?
Mount the Dwyer 1910-20 in a clean, dry location away from vibration. Connect the sample line to the 1/8 in NPT port. Wire the SPDT contacts according to your control circuit voltage (120 to 480V AC). Adjust the set point by turning the adjustment screw to the desired 4 to 20 in wc range.
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3G Electric supplies Dwyer 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.
