As a leading boiler parts supplier, we offer a wide range of:
- OEM (New and Refurbished)
- Compatible (New and Refurbished)
- Refurbished parts
National Boiler Spares is the only company in the UK that is accredited to:
- BSI KITEMARK (Refurbished parts)
- ISO 9001:2015
- ISO 14001:2015
Assuring all our customers we provide the highest level of quality parts and services.
DIRECT SALE
Directly purchasing the product from us
REPAIR SERVICE
Please be aware that we will repair your part, no part will be sent to you from us.
An email will be sent to you confirming your order, please note that it will state that your order
has been dispatched but no part at this point will be dispatched, please send your part to us for
repair
How does this service works?
- When purchasing this service, the customer is required to send the faulty part to us.
- Once we have received the part, it will be inspected and tested by our engineers to assess any faults
- If your part is in repairable condition, then we will repair this for you. If there are any issues, you will be contacted by our Customer Service Team
- Once repaired, we will send your part back to you
ADVANCE REPLACEMENT SERVICE
Upon selecting this service you are purchasing a DIRECT PART from us, but you have the option to
send your old part to us for a partial refund.
This service will entitle you to a £30 refund only if::
- Your old part is in a repairable condition
- Your part is not burned, or water damaged beyond repair
- We receive the part within 14 DAYS of the purchase
The customer is responsible for all postage and packaging costs.
The original invoice and contact details must be sent to us with the part to allow for a refund.
Wallsend, Tyne And Wear, NE28 6SG.
Your refund will be processed via the original payment method.
*Note to customer* Not all of our products are applicable for each service.
- DIRECT SALE
- REPAIR SERVICE
- ADVANCE REPLACEMENT SERVICE
Once you have selected the part you need, the drop-down options will show you what is available for
that part.
Please contact our Customer Service Team for support or information if required
OUR ADDRESS
Heating Trade Supplies, Tyne View Terrace
Wallsend, Tyne and Wear, NE28 6SG.
We provide free first-class postage for UK and mainland areas. Orders must be placed
before 3 pm Monday to Friday for same-day dispatch. If purchased Saturday, Sunday and
Bank Holidays, it will be processed and dispatched the next working day.
DELIVERY TIME
We offer free next day delivery on orders over £35.
All parts ordered before 3pm Monday – Friday will be dispatched the same day, (Friday
orders will be delivered the next working day), however next day delivery cannot be
guaranteed.
WARRANTY
All our products are subject to 1 YEAR WARRANTY.
All warranty returns must be sent with a copy of the invoice and contact details.
Once received our engineers will test the part and if required one of our Customer
Services specialists will contact you with an update.
Exclusions to warranty:
Fans: Fan coils and motors failing due to boiler overheating will not be covered
under warranty.
For Electronic parts such as Printed Circuit Boards (PCB): if the parts have
experienced any water damage or external electrical shortage this will not be covered by
warranty.
Failures or defects caused by misuse.
RETURNS POLICY
Complete the return form and provide return reasons.
If the part you received is faulty, we will refund postage up to £6.50.
A 20% restocking fee is applied if returned items are not faulty.
If your part is lost or the incorrect item has been sent out, we will arrange a
collection and issue the appropriate replacement.
Your refund will be processed via the original payment method.
| Viessmann 100 WB1A 18kW Heat Only (Serial No.7179920 ) | GC No. | |
| Viessmann 100 WB1A 24kW Combi (Serial No.7179917 ) | - | 41-819-12 (7179920) |
| Viessmann 100 WB1A 24kW Heat Only (Serial No. 7179919)) | - | 47-819-04 (7179917) |
| Viessmann 100 WB1A 24kW System (Serial No. 7179918) | - | 41-819-10 (7179919) |
| Viessmann 100 WB1C 19kW System (Serial No. 7499423) | - | 41-819-09 (7179918) |
| Viessmann 100 WB1C 26kW Combi (Serial No. 7499425) | - | 41-819-26 (7499423) |
| Viessmann 100 WB1C 26kW System (Serial No. 7499424) | - | 47-819-20 (7499425) |
| Viessmann 100 WB1C 30kW Combi (Serial No. 7499427) | - | 41-819-27 (7499424) |
| Viessmann 100 WB1C 30kW System (Serial No. 7499426) | - | 47-819-21 (7499427) |
| Viessmann 100 WB1C 35kW Combi (Serial No. 7499429) | - | 41-819-28 (7499426) |
| Viessmann 100 WB1C 35kW System (Serial No. 7499428) | - | 47-819-22 (7499429) |
| Viessmann 100 WB1HA 19kW System Erp (Serial No. 7543420) | ||
| Viessmann 100 WB1HA 26kW System Erp (Serial No. 7543421) | - | 41-819-36 (7543420) |
| Viessmann 100 WB1HA 30kW System Erp (Serial No. 7543423) | - | 41-819-37 (7543421) |
| Viessmann 100 WB1HA 35kW System Erp (Serial No. 7543425) | - | 41-819-38 (7543423) |
| Viessmann 100 WB1HC 19kW System (Serial No. 7570671) | - | 41-819-39 (7543425) |
| Viessmann 100 WB1HC 26kW System (Serial No. 7570672) | - | 41-819-40 (7570671) |
| Viessmann 100 WB1HC 30kW System (Serial No. 7570674) | - | 41-819-41 (7570672) |
| Viessmann 100 WB1HC 35kW System (Serial No. 7570676) | - | 41-819-42 (7570674) |
| Viessmann 100 WB1KC 26kW Combi (Serial No. 7570673) | - | 41-819-43 (7570676) |
| Viessmann 100 WB1KC 30kW Combi (Serial No. 7570675) | - | 47-819-40 (7570673) |
| Viessmann 100 WB1KC 35kW Combi (Serial No. 7570677) | - | 47-819-41 (7570675) |
| Viessmann 100 WBP JA 25kW Combi (Serial No. 7501297) | - | 47-819-42 (7570677) |
| Viessmann 100 WBP JA 29kW Combi (Serial No. 7501298) | - | 47-819-26 (7501297) |
| Viessmann 100-W WB1A 30kW Combi (Serial No. 7179916) | - | 47-819-27 (7501298) |
| Viessmann 100-W WB1B 13kW Heat Only | - | 47-819-05 (7179916) |
| Viessmann 100-W WB1B 16kW Heat Only | - | 41-819-21 |
| Viessmann 100-W WB1B 19kW Heat Only | - | 41-819-22 |
| Viessmann 100-W WB1B 26kW Combi (Serial No. 7373061) | - | 41-819-23 |
| Viessmann 100-W WB1B 26kW Heat Only | - | 47-819-12 (7373061) |
| Viessmann 100-W WB1B 26kW System (Serial No. 7373060) | - | 41-819-24 |
| Viessmann 100-W WB1B 30kW Combi (Serial No. 7373063) | - | 41-819-18 (7373060) |
| Viessmann 100-W WB1B 30kW System (Serial No.7373062) | - | 47-819-13 (7373063) |
| Viessmann 100-W WB1B 35kW Combi (Serial No. 7373065) | - | 41-819-19 (7373062) |
| Viessmann 100-W WB1B 35kW Heat Only | - | 47-819-14 (7373065) |
| Viessmann 100-W WB1B 35kW System (Serial No. 7373064) | - | 41-819-25 |
| Viessmann 100-W WB1C 30kW Combi (Serial No. 7441745) | - | 41-819-20 (7373064) |
| Viessmann 100-WB1B 13kW Compact (Serial No. 7416307) | - | |
| Viessmann 100-WB1B 16kW Compact (Serial No. 7416302) | - | |
| Viessmann 100-WB1B 19kW Compact (Serial No. 7416303) | - | |
| Viessmann 100-WB1B 26kW Compact (Serial No. 7416304) | - | |
| Viessmann 111 WB1LD 26kW (Serial No. 7570732) | - | |
| Viessmann 111 WB1LD 35kW (Serial No. 7570733) | - | 47-819-43 (7570732) |
| Viessmann 111-W B1LB 26kW (Serial No. 7543448) | - | 47-819-44 (7570733) |
| Viessmann 111-W B1LB 35kW (Serial No. 7543449) | - | |
| Viessmann 200 WB2A 26kW Combi (Serial No. 7176541) | - | |
| Viessmann 200 WB2A 26kW System (Serial No. 7176543) | - | 47-819-06 (7176541) |
| Viessmann 200 WB2B 19kW System (Serial No. 7248823) | - | 41-819-11 (7176543) |
| Viessmann 200 WB2B 26kW Combi (Serial No. 7248825) | - | 41-819-14 (7248823) |
| Viessmann 200 WB2B 26kW System (Serial No. 7248824) | - | 47-819-09 (7248825) |
| Viessmann 200 WB2B 30kW Combi (Serial No. 7248827) | - | 41-819-15 (7248824) |
| Viessmann 200 WB2B 30kW System (Serial No. 7248826) | - | 47-819-10 (7248827) |
| Viessmann 200 WB2B 35kW Combi (Serial No. 7248829) | - | 41-819-16 (7248826) |
| Viessmann 200 WB2B 35kW System (Serial No. 7248828) | - | 47-819-11 (7248829) |
| Viessmann 200-W B2HA 19kW System (Serial No. 7454868) | - | 41-819-17 |
| Viessmann 200-W B2HA 26kW System (Serial No. 7454869) | - | |
| Viessmann 200-W B2HA 30kW System (Serial No. 7454871) | - | |
| Viessmann 200-W B2HA 35kW System (Serial No. 7454873) | - | |
| Viessmann 200-W B2HB 19kW System (Serial No. 7570787) | - | |
| Viessmann 200-W B2HB 26kW System (Serial No. 7570788) | - | |
| Viessmann 200-W B2HB 30kW System (Serial No. 7570790) | - | |
| Viessmann 200-W B2HB 35kW System (Serial No. 7570792) | - | |
| Viessmann 200-W B2KA 26kW Combi (Serial No. 7454870) | - | |
| Viessmann 200-W B2KA 30kW Combi (Serial No. 7454872) | - | |
| Viessmann 200-W B2KA 35kW Combi (Serial No. 7454874) | - | |
| Viessmann 200-W B2KB 26kW Combi (Serial No. 7570789) | - | |
| Viessmann 200-W B2KB 30kW Combi (Serial No. 7570791) | - | |
| Viessmann 200-W B2KB 35kW Combi (Serial No. 7570793) | - | |
| Viessmann 200-W WB2B 26kW Combi (Serial No. 7194475) | - | |
| Viessmann 200-W WB2B 35kW Combi (Serial No. 7194477) | - | |
| Viessmann 200-W WB2B 45kW System (Serial No. 7194486) | - | |
| Viessmann 200-W WB2B 45kW System (Serial No. 7373009) | - | |
| Viessmann 200-W WB2B 60kW System (Serial No. 7194487) | - | |
| Viessmann 200-W WB2B 60kW System (Serial No. 7373010) | - | |
| Viessmann 200-W WB2C 105kW System (Serial No. 7424191) | - | |
| Viessmann 200-W WB2C 45kW System (Serial No. 7438087) | - | |
| Viessmann 200-W WB2C 60kW System (Serial No. 7438089) | - | |
| Viessmann 200-W WB2C 80kW System (Serial No. 7424189) | - | |
| Viessmann 200-W WB2C Combi 26kW (Serial No. 7424987) | - | |
| Viessmann 200-W WB2C Combi 30kW (Serial No. 7424989) | - | 47-819-09 WB2C (7424987) |
| Viessmann 200-W WB2C Combi 35kW (Serial No. 7424991) | - | 47-819-10 WB2C (7424989) |
| Viessmann 200-W WB2C System 19kW (Serial No. 7424985) | - | 47-819-11 WB2C (7424991) |
| Viessmann 200-W WB2C System 26kW (Serial No. 7424986) | - | 41-819-14 WB2C (7424985) |
| Viessmann 200-W WB2C System 30kW (Serial No. 7424988) | - | 41-819-15 WB2C (7424986) |
| Viessmann 200-W WB2C System 35kW (Serial No. 7424990) | - | 41-819-16 WB2C (7424988) |
| Viessmann 222-F B2TB 19kW (Serial No. 7570809) | - | 41-819-17 WB2C (7424990) |
| Viessmann 222-F B2TB 26kW (Serial No. 7570810) | - | |
| Viessmann 222-F B2TB 35kW (Serial No. 7570811) | - | |
| Viessmann 222-F FS2A 19kW (Serial No. 7419987) | - | |
| Viessmann 222-F FS2A 26kW (Serial No. 7374977) | - | 47-819-15 (7419987) |
| Viessmann 222-F FS2A 35kW (Serial No. 7374978) | - | 47-819-16 (7374977) |
| Viessmann 222-F FS2B 26kW (Serial No. 7438013) | - | 47-819-17 (7374978) |
| Viessmann 242-F FB2B 19kW (Serial No. 7438010) | - | |
| Viessmann 300 WB3A 49kW LPG (Serial No. 7176780) | - | 47-819-18 (7438010) |
| Viessmann 300 WB3A 49kW NG (Serial No. 7176778) | - | |
| Viessmann 300 WB3A 66kW LPG (Serial No. 7176781) | - | |
| Viessmann 300 WB3A 66kW NG (Serial No. 7176779) | - | |
| Viessmann 333 WS3A 26kW (Serial No. 7246172) | - | |
| Viessmann Vaillant Ecotec Pro 24 VUW 246/5-3 R6 2017 Onwards | - | 47-819-07 (7246172) |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 2012-2012 LPG | - | 47-044-88 (0010021836) |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 2012-2012 NG | - | 47-044-47 |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 R1 2012-2013 LPG | - | 47-044-45 |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 R1 2012-2013 NG | - | 47-044-47 R1 |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 R2 2013-2015 LPG | - | 47-044-45 R1 |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 R2 2013-2015 NG | - | 47-044-47 R2 |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 R4 2015 - 2017 | - | 47-044-45 R2 |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 R4 2015 - 2017 LPG | - | 47-044-55 (0010018495) |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 R4 2015-2015 LPG | - | 47-044-56 (0010018496) |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 R4 2015-2015 NG | - | 47-044-47 R4 |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 R6 2017 Onwards | - | 47-044-45 R4 |
| Viessmann Vaillant Ecotec Pro 28 VUW 286/5-3 R6 LPG 2017 Onwards | - | 47-044-89 (0010021837) |
| Viessmann Vaillant Ecotec Pro 30 VUW 306/5-3 R4 (2015 Onwards) | - | 47-044-90 (0010021838) |
| Viessmann Vaillant Exclusive 627 VU 256/5-7 | - | 47-044-52 |
| Vaillant Exclusive 627 VU 256/5-7 | - | 41-694-02 |