
Commercial Ordering FAQ
How do I verify that Dayton 4JMX1 – Pump, 3/4 HP, 208-230/460 V, 3.8-3.4/1.7 Amp is the correct replacement part for my equipment?
Check the OEM part number (4JMX1) 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 DAYTON 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 DAYTON 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.
The Dayton 4JMX1 Pump is available from National Boiler Supply. We support purchasing teams with fast dispatch, formal quotes, and a live order desk at 850-565-3492.
Product Overview
Centrifugal Pump, Phase Three, Pump Housing Material Stainless Steel, Horsepower 3/4 hp, Nameplate Voltage 208-230/460V AC, Flow Rate @ 40 ft of Head (Maximum) 24 gpm, Flow Rate @ 60 ft of Head (Maximum) 3 gpm, Flow Rate @ 80 ft of Head (Maximum) Not Applicable, Motor Enclosure Totally Enclosed Fan Cooled, Flow Rate @ 5 ft of Head (Maximum) 48 gpm, Flow Rate @ 10 ft of Head (Maximum) 46 gpm, Flow Rate @ 15 ft of Head (Maximum) 44 gpm, Flow Rate @ 20 ft of Head (Maximum) 42 gpm.
Technical Specifications
| Brand | Dayton |
|---|---|
| Manufacturer Part Number | 4JMX1 |
OEM Part Verification: Confirm Dayton part number 4JMX1 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.
Related DAYTON Components & Replacement Parts
- Dayton 4JMX2 – Centrifugal Pump, 304 Stainless Steel, 1 P, 1 1/4 in, 1 HP, 90 GPM – OEM Part # 4JMX2
- Dayton 4JMW9 – Centrifugal Pump, 304 Stainless Steel, 1 P, 3/4 in, 3/4 HP, 58 GPM – OEM Part # 4JMW9
- Dayton 4JMX3 – Pump, 1 HP, 208-230/460 V, 5.3-5.0/2.5 Amp – OEM Part # 4JMX3
- Dayton 4JMW8 – Centrifugal Pump, 304 Stainless Steel, 3 P, 3/4 in, 1/2 HP, 38 GPM – OEM Part # 4JMW8
- Dayton 4JMX4 – Centrifugal Pump, 304 Steel, 1 P, 1 1/4", 1.5 HP, 116 GPM – OEM Part # 4JMX4
Need help confirming a part number or cross-reference? Call our order desk at 850-565-3492.
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.