Last updated on March 31st, 2022
Cost to replace a toilet syphon
In this ‘cost to replace toilet syphon’ guide, we’re going to cover everything you need to know about pricing up your project – including whether you need to repair or replace your toilet syphon.
In this ‘cost to replace toilet syphon‘ guide, we’re going to cover everything you need to know about pricing up your project – including whether you need to repair or replace your toilet syphon.
What is a toilet siphon?
When you flush your toilet, you trigger a mechanism that releases a rush of water from siphon jets, which creates a vortex that pushes waste through the pipes. A toilet syphon uses a one-way diaphragm that facilitates the flushing and subsequent filling of the bowl with water. It either has a one or two-piece unit that consists of a pipe, pull handle, plastic flap valve or diaphragm. When the siphon diaphragm breaks, your toilet won’t flush properly or at all.
At this point, you either need to replace the entire unit or have it repaired. Read on for more information about toilet siphon replacement costs.
Cost to replace toilet syphon
| Cost provided item | Range - Low | Range - High | Average cost |
|---|---|---|---|
| Toilet siphon replacement materials | £15 | £25 | £20 |
| Toilet siphon labour cost (per hour) | £45 | £85 | £65 |
Our costs are ballpark averages – get a local tradesperson to quote now
Replacing a toilet syphon is time-consuming, which is why it’s always worth hiring a professional to make sure it’s done quickly and effectively.
Your chosen plumber will come and inspect the toilet to diagnose whether it needs a full replacement or just a few parts repaired. If it needs to be replaced, you can expect to pay for both parts and labour.
On average, materials will cost you around £20, whereas labour will set you back around £65 per hour depending on your plumber’s going rate. You can expect a replacement to take between one to two hours depending on the complexity.
Note: We always recommend asking for three quotes from tradespeople before agreeing to a job.
Toilet siphon repair cost
Repairing a toilet syphon isn’t always straightforward, which is why it’s always worth hiring a professional to make sure the project is completed quickly and effectively.
If your toilet syphon only needs a simple repair, you can expect to pay your plumber for labour only. On average, labour will set you back around £65 per hour depending on your plumber’s going rate. You can expect a repair to take no more than an hour.
Factors affecting toilet siphon replacement cost
When it comes to pricing up your project, your plumber will base their offer on the following:
- The complexity of the repair or replacement.
- The age and type of the unit that needs repairing/replacing.
- Where you live (different areas have different rates).
- Ease of access (some pipes are hidden).
- Whether there’s an isolation valve or the system needs draining before work can start.
- How long the job will take.
- The quality of materials you’ve requested.
- Whether they’re disposing of any waste for you.
Your plumber should talk through all the potential costs so you’re informed about why their final price is what it is. Transparency is key.
Like what you see? There’s more where this came from. Check out Checkatrade’s blog for more tips, ideas, how-tos, and inspiration.
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