Photo may vary slightly — verify by part number before ordering.14S543-01 — WaterFurnace Programmed Motor 1/2HP EON-NEO 230V ECM
WaterFurnace has discontinued part 14S543-01.
Replaced by: 14S573-01
Order replacement 14S573-01 — contact us →Overview
WaterFurnace 14S543-01 — Programmed Motor 1/2HP EON-NEO 230V ECM. This electric motor turns the fan, blower or other driven load in the equipment. Also written as 14S54301.
Discontinued — replaced by 14S573-01. WaterFurnace no longer supplies 14S543-01; the factory replacement part number is 14S573-01. Contact us to order 14S573-01.
Fits these WaterFurnace units: NDH038G111CER0BA, NDH049G111CSR0AN, NDH049H111CEL0DA, NDV038G111CTL0BA, NDV038G111CTL0BN, NDV038H111NTL0CA, NDV049G111CTL0AA, NDV049G111CTL0DA, NDV049G111CTR0BA, NDV049G111NTL0AA, NDV049G111NTR0AN, NDV049H101CTL0BN and 4 more (16 models; the Fits These Units list below is complete). These are the units we've confirmed — not necessarily the only ones. Send us the model and serial number if yours isn't listed.
Genuine WaterFurnace OEM part — not an aftermarket substitute.
What is WaterFurnace 14S543-01?
It is a genuine WaterFurnace OEM motor, listed by WaterFurnace as “Programmed Motor 1/2HP EON-NEO 230V ECM”. Listed specifications: Voltage 230 V; Horsepower 1/2 HP; Motor Type ECM.
Which WaterFurnace units use 14S543-01?
Confirmed fits include NDH038G111CER0BA, NDH049G111CSR0AN, NDH049H111CEL0DA, NDV038G111CTL0BA, NDV038G111CTL0BN, and 11 more. The Fits These Units list on this page shows all 16 confirmed models.
Is 14S543-01 still available?
Discontinued — replaced by 14S573-01. WaterFurnace no longer supplies 14S543-01; the factory replacement part number is 14S573-01. Contact us to order 14S573-01.
What are the signs a motor has failed?
Always disconnect power before inspecting. A failing motor may overheat, run noisily, draw high amps, trip its overload or fail to start.
Is 14S543-01 a genuine WaterFurnace part?
Yes. 14S543-01 is WaterFurnace's own part number for this item (also written 14S54301), and this is a genuine OEM part, not an aftermarket substitute. Search or order by this number.
How do I confirm 14S543-01 fits my unit?
Match the part number on your original part, or check your unit's model against the Fits These Units list on this page. Not sure? Send us the model and serial number and we'll confirm before you order.
Fits These Units
Confirmed to fit the WaterFurnace units below — and these are not the only models this part fits. Contact us for the entire compatibility list, or if you don't see your unit, send the model and serial and we'll confirm before you buy.
- NDH038G111CER0BA
- NDH049G111CSR0AN
- NDH049H111CEL0DA
- NDV038G111CTL0BA
- NDV038G111CTL0BN
- NDV038H111NTL0CA
- NDV049G111CTL0AA
- NDV049G111CTL0DA
- NDV049G111CTR0BA
- NDV049G111NTL0AA
- NDV049G111NTR0AN
- NDV049H101CTL0BN
- NDV049H101NTL0DA
- NDV049H111CTR0DA
- NDV049J101CTL0DN
- NSV042G111NTL0AN
Specifications
Values in italic are not yet confirmed from OEM documentation. Ask us to verify before ordering.
Ask the Parts Desk
Not sure this fits? Need more than what's in stock? Send the model and serial from the unit's data plate — a real person reads it and confirms before you order.
Common Questions
Is the stock number on this page real?
Yes — it's the live count from our own shelf, not an availability estimate. If it says 1, that's how many are physically here. When it hits zero, this page says so.
Is this a genuine WaterFurnace part, or aftermarket?
Genuine WaterFurnace OEM equipment sourced through WaterFurnace's authorized parts program — not an aftermarket substitute.
How do I confirm this fits my unit?
Match part number 14S543-01 to your unit's parts diagram. If unsure, send us your model and serial number and we'll verify before you order.
What's the warranty on this part?
Warranty terms vary by manufacturer. Contact us with your order number for details specific to this part.
How fast does this ship?
In-stock items ship the same business day on orders placed before 1pm ET, Monday–Friday. Standard ground delivers to most of the continental US in 2–5 business days. Ships via UPS/FedEx Ground, or truck freight for oversized items. $15 flat-rate shipping, free on US orders of $50+.
Does everything ship UPS or FedEx Ground?
Most orders ship UPS or FedEx Ground. A small number of large or heavy parts across the catalog ship by truck freight instead, and we reach out to arrange a delivery window before those orders leave the warehouse. Oversized items that ship by truck freight are also covered by free standard shipping on orders of $50 or more.



