
Reznor
Reznor Valve Nat Gas 1 Stage VK4105A 03 25141
Single-stage natural gas valve, part 03 25141, for Reznor warm air and room sealed heaters.
At a glance
- Also known as UDSA0325141, 2530438
£327.60
£273.00 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Reznor 03 25141 is a single-stage natural gas valve, designated VK4105A within the Reznor range. It controls the supply of gas to the burner on Reznor warm air unit and room sealed heaters, opening and closing under the appliance's control circuit. The part is listed for a wide spread of Reznor LCSA, UDSA, UDSB and UPA models.
Signs this part needs replacing
- The burner fails to light despite the ignition sequence running and a gas supply being present at the appliance
- The heater lights then drops out shortly after, or cycles on and off without reaching temperature
- Repeated lockouts with no flame established at the burner
- The burner flame is weak, unstable or uneven across the burner head
- No audible click or valve actuation when the control circuit calls for heat
Before you order
- Confirm the appliance model against the fits list above, as coverage varies across LCSA, UDSA, UDSB and UPA ranges
- Check the part number on the existing valve matches 03 25141 or the alternative reference UDSA0325141
- Verify the valve is a single-stage type and matches the gas type used by the appliance
- Gas valve work must be carried out by a competent, registered engineer in line with current gas regulations
Compliance
| Alternative numbers | UDSA0325141, 2530438 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| REZNOR LCSA12-3 WARM AIR UNIT HEATER | — | — | — | |
| REZNOR LCSA12-4 VARIANTE WARM AIR UNIT HEATER | — | — | — | |
| REZNOR LCSA20 WARM AIR UNIT HEATER | — | — | — | |
| REZNOR LCSA20-3 WARM AIR UNIT HEATER | — | — | — | |
| REZNOR LCSA20-4 VARIANTE WARM AIR UNIT HEATER | — | — | — | |
| REZNOR LCSA30 WARM AIR UNIT HEATER | — | — | — | |
| REZNOR LCSA30-3 WARM AIR UNIT HEATER | — | — | — | |
| REZNOR LCSA30-4 VARIANTE WARM AIR UNIT HEATER | — | — | — | |
| REZNOR UDSA11 - ROOM SEALED HEATER | — | — | — | |
| REZNOR UDSA11-2 - ROOM SEALED HEATER | — | — | — |
Showing 10 of 37 compatible appliances.
Documents & drawings
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