Vaillant Heat Exchanger 20-Plate DHW 178973 Domestic Boiler Spares Part - Image 1
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Vaillant Heat Exchanger 20-Plate DHW 178973 Domestic Boiler Spares Part

By Vaillant
High Street £139.62
Our Price £44.99
View grading info
There are two types of heat exchanger that can be present, they are the primary heat exchanger and the secondary heat exchanger. The primary is present in almost all boilers and uses heat from the burner to raise the temperature of water within the system. The secondary heat exchanger only appears on combination boilers and allows the heat to be transferred between one closed system and another.
  • Boiler Spares Part Number: 178973
  • Boiler Spares Type: Heat Exchangers
  • Brand: Vaillant
  • Pack Size: 1
  • Capacity: Unknown
  • Features: Durable
  • Storage Tank Water Heater Gold
  • Included: Vaillant Heat Exchanger 178973 20 Plate
  • Date:

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Grading Selection

You will notice we use a stock grading system on the items listed on our website. Below you will find the full list of stock gradings with detailed descriptions.

New

Brand-new, in its original packing, unopened and unused. Manufacturer's warranty still available, if applicable.

Refurbished

In working order after being professionally restored/repaired. All refurbished items have been professionally and fully inspected, repaired and cleaned before resale. Item may not be in original packaging. Warranty must apply, if applicable.

Like New

The item is in an as new condition, but may have some cosmetic marks. It has been inspected and fully checked and is in full working order. The item is complete with all parts and accessories included. Packaging may have been replaced and/or may show signs of transit or storage damage.

Used - Good

The item has been professionally refurbished/repaired and may show minor cosmetic marks and/or scratches through previous use. Original packaging may have been replaced and/or show signs of transit or storage damage. The item will be supplied with accessories/parts required for the item to function but may be missing non-essential accessories.

Used - Acceptable

The item was previously used and shows significant signs of wear and tear. It has been inspected and fully checked and is in full working order. The item has noticeable cosmetic marks and/or scratches and original packaging may have been replaced and/or show signs of transit or storage damage. The item will be supplied with accessories/parts required for the item to function but may be missing non-essential accessories.

Football Shoes in Acceptable grade - have never been worn, but may have more cosmetic marks and/or deeper scratches on the outside. Original packaging may have been replaced and/or show signs of transit or storage damage. The pictures in the listing are of the physical item that will be sent.

What is a non-essential item?

Occasionally we may be required to grade products without the full product contents list.

Grades B- (Refurbished) and C+ (Used Acceptable) can be sent to auction minus certain items if necessary as they would not affect the tool working normally

These items are classed as non-essential.

Non-essential items are:
- Drill bits
- Sanding sheets
- Multi-tool cutting blades
- Manuals
- More than one Jigsaw/Reciprocating saw blade

All Grade B (New - other) products must have all items present. Safety related items must always be included, regardless of grade.