
Commercial Ordering FAQ
How do I verify that Dwyer Instruments 1910-00 – Pressure Switch, Standard, SPDT, 1/8" FNPT, 0.07 to 0.15 in H2 O Range is the correct replacement part for my equipment?
Check the OEM part number (1910-00) against your equipment nameplate or the manufacturer's repair parts list before ordering. If you are not sure, call the National Boiler Supply order desk at 850-565-3492 and we can cross-reference your equipment model and serial numbers before the order ships.
What are the shipping and freight options for Dwyer Instruments orders?
Standard parcel orders ship quickly from commercial distribution centers. Shipping is a $35 flat rate on orders under $999, and qualifying orders of $999 or more ship free by ground. Heavy equipment that has to move by LTL freight is quoted after the order is placed and confirmed with you before dispatch.
Can contractors or facility managers request a formal quote or use a Purchase Order (PO)?
Yes. National Boiler Supply works with commercial contractors, mechanical engineers, municipalities, and facility teams. Call 850-565-3492 for a formal quote, bulk pricing, or PO and tax-exempt order processing.
What if this Dwyer Instruments part is marked Call to Order or needed for an emergency repair?
Call our order desk at 850-565-3492. We can confirm factory lead times right away and arrange expedited air or hot-shot delivery when a repair cannot wait.
Order the Dwyer Instruments 1910-00 Pressure Switch from National Boiler Supply. Call our order desk at 850-565-3492 for a formal quote or a part number cross-check.
Product Overview
Air Pressure Switch, Application Frost and Ice Detection, Clogged or Dirty Filter Detection, Air Flow Control, Contact Form SPDT, Electrical Connection Type Screw Terminals, Electrical Rating 1/4 HP @ 250 V AC, 60 Hz, 1/8 HP @ 125 V AC, 15 A @ 120 to 480 V AC, 60 Hz Resistive, Derate to 10 A for Operation at High Cycle Rates, Maximum Differential Pressure Setting 0.15 in wc, Maximum Operating Temperature 180 Degrees F, Maximum Pressure Rating 45 in wc, Maximum Pressure Setting 0.15 in wc.
Technical Specifications
| Brand | Dwyer Instruments |
|---|---|
| Manufacturer Part Number | 1910-00 |
OEM Part Verification: Confirm Dwyer Instruments part number 1910-00 against your equipment nameplate or parts list before ordering. Our order desk can cross-check it for you.
Order Desk Support: Call 850-565-3492 for formal quotes, lead times, and volume pricing.
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.