
Vaillant
Vaillant Diaphragm DISC 491421
Vaillant DISC diaphragm, part no. 491421, for listed VK and VKS 1985-1993 appliances.
At a glance
- Part type: Diaphragm
AvailabilityCall for price
Availability: ask us. We can source this part.
Call for price and availability
Our team will check live stock and give you a price on the phone.
01302 279234Opening hours
- Mon–Fri
- 7:30am–5pm
- Sat
- 9am–12pm
- Sun
- Closed
Or request a price online
Tell us what you need and we will come back to you. No payment is taken.
30-day returns
Unused, in original packaging.
What it is
The Vaillant DISC (SKU 491421) is a diaphragm, classed as a diaphragm part type in the Vaillant range. It is listed for use with Vaillant VK and VKS appliances manufactured between 1985 and 1993.
Before you order
- Check the GC number on the data badge of your appliance. Compatible GC numbers are 41-044-37, 41-044-38 and 41-044-39.
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VK 35/1 E (1985-1991) | 41-044-37 | 41-044-37 | — | — |
| VAILLANT VK 35/1 E (1991-1993) | 41-044-37 | 41-044-37 | — | — |
| VAILLANT VK 41/1 E (1985-1991) | 41-044-38 | 41-044-38 | — | — |
| VAILLANT VK 41/1 E (1991-1993) | 41-044-38 | 41-044-38 | — | — |
| VAILLANT VK 48/1 E (1985-1991) | 41-044-39 | 41-044-39 | — | — |
| VAILLANT VK 48/1 E (1991-1993) | 41-044-39 | 41-044-39 | — | — |
| VAILLANT VKS 35/1 E (1985-1991) | 41-044-37 | 41-044-37 | — | — |
| VAILLANT VKS 35/1 E (1991-1993) | 41-044-37 | 41-044-37 | — | — |
| VAILLANT VKS 41/1 E (1985-1991) | 41-044-38 | 41-044-38 | — | — |
| VAILLANT VKS 41/1 E (1991-1993) | 41-044-38 | 41-044-38 | — | — |
Showing 10 of 12 compatible appliances.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.
