Boiler Replacement Quote Example (Condensing Boiler)
A sample quote for swapping an old boiler for a wall-hung condensing boiler with a cylinder. Build the same quote in Tekliva's free quote generator, add your own prices and send it as a branded PDF.
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Sample quote
Detached house, condensing boiler replacement with cylinder
Customer: Mr Patel, Leicester
| # | Product | Qty | Unit | Note |
|---|---|---|---|---|
| 1 | GB172i.2 · Wall-Hung Condensing BoilerBuderus · GB172i.2-35 | 1 | pc | Replaces old non-condensing boiler, wall-hung |
| 2 | RC310 Control Panel - WhiteBuderus · 7738114124 | 1 | pc | Boiler control, fitted in the living area |
| 3 | SU 120 / 5W (White) Hygienic CylinderBuderus · 8718543049 | 1 | pc | Hot water for a household of three |
| 4 | Buderus Logafix BU-H 18 Closed Expansion VesselBuderus · 7738344599 | 1 | pc | Replaces the old expansion vessel |
| 5 | Buderus Magnetic Dirt and Sludge Separator 3/4"Buderus · 7738319547 | 1 | pc | On the return, protects the new boiler from sludge |
| 6 | Removal and disposal of old boiler | 1 | job | Service lines |
| 7 | Power flush of heating system | 1 | job | |
| 8 | Boiler installation, flue adaptation and condensate pipe | 1 | job | |
| 9 | Commissioning, registration and handover | 1 | job |
- Prices exclude VAT at 20%.
- This quote is valid for 30 days.
- Work carried out by a Gas Safe registered engineer.
- Radiator replacement and new pipework are not included.
- Equipment is covered by the manufacturer's warranty.
Prices are not shown in the example; you enter your own prices in the quote generator.
Why itemise a boiler replacement quote
Boiler swaps often start with a breakdown, and the customer wants an answer fast. A one-line "new boiler fitted" quote is quick to write but weak when it sits next to a competitor's. Listing the boiler, controller, cylinder, expansion vessel and magnetic filter separately shows the customer what they are paying for and why your job is more complete.
What to check on the survey
- Type, age and connections of the existing boiler
- Flue route and whether it suits a condensing appliance
- Where the condensate pipe can discharge
- System condition and whether a power flush is needed
- Hot water demand and space for a cylinder
- Gas supply pipe size from the meter
Items in the sample quote
The example uses a Buderus GB172i.2 wall-hung condensing boiler, an RC310 controller, an SU 120 cylinder, a Logafix BU-H 18 expansion vessel and a 3/4" magnetic dirt separator. Sludge in an old system can damage a new heat exchanger, so a separate filter line gives you a reason to explain why it matters. All items are in the Tekliva catalogue; it holds no prices, so you enter your own.
Remember removal, flushing and commissioning
Removing the old boiler, flushing the system, adapting the flue and commissioning each deserve their own line. State in the terms that the work is done by a Gas Safe registered engineer and who registers the installation. If radiator replacement or new pipework is excluded, write that down too.
Common mistakes to avoid
- Quoting a condensing boiler without checking the flue route first
- Forgetting the condensate pipe or the system flush
- Leaving out controls and the expansion vessel because "the old ones still work"
- Not saying who registers the installation
- Missing a validity date and a fitting date; with a broken boiler the customer wants a date
Following up the quote
With a broken boiler, the customer rings several installers the same day, and the first clear quote has an edge. Send it as a link from the Tekliva panel, see when it is opened and set a reminder to call. In the busy autumn months, sorting open quotes into hot, warm and cold keeps the diary under control.
FAQ
What should a boiler replacement quote include?
The boiler, controller, cylinder if needed, expansion vessel and magnetic filter, plus lines for removal, flushing, installation and commissioning. Exclusions go in the terms.
Is a power flush needed when replacing a boiler?
Sludge in an older system can damage a new boiler, so a flush and a magnetic filter are added to most replacements.
Why are there no prices in this example?
Supply terms and labour rates differ between installers. Add the items in Tekliva's free quote generator and enter your own prices.
How can I write a boiler quote quickly?
Pick the products from the catalogue in the Tekliva quote generator, add your labour lines and download a PDF with your logo. No sign-up is needed.
How do I know if the customer opened my quote?
Send the quote as a link from the Tekliva panel. You get a notification when it is opened and can keep the follow-up date there.