The drain service of Pure Mechanical GroupMetro Vancouver + Fraser Valley
No. 29 · Done by Pure Mechanical Group

Shower valve replacement: what it involves and what it costs

The valve behind the wall controls temperature and flow. Replacing it with a pressure-balanced or thermostatic valve ends the scalding when someone flushes, and stops the drip for good.

Typical cost$2,189–$2,689
How it starts$289 for the first hour
After the first hour$189 an hour, plus parts
Who does itPure Mechanical Group, the company behind Unclog.it
WhereMetro Vancouver + Fraser Valley
The valve, shower head and tub spout piping behind a shower wall, marked in red
Fig. 29: shower valve replacement

What shower valve replacement typically costs

Shower valve replaced$2,189–$2,689Valve included. Access through tile or from behind the wall changes the job.

Typical prices in Metro Vancouver and the Fraser Valley in 2026, before tax. They are a guide, not our quote. Too much depends on your home to price these jobs unseen, so your price is set on site, in writing, before any work starts.

When you need it

  • The shower goes hot or cold when another tap runs
  • A drip from the shower head that a new cartridge did not fix
  • A stiff handle, or a valve so old that parts are no longer made

What changes the price

AccessAn access panel behind the shower avoids touching the tile. Without one, tile comes off.
Type of valveThermostatic valves and multi-outlet systems cost more.
Pipe changesA different valve brand may need the piping behind it rearranged.

What the job involves

  1. Shut off the water and remove the trim.
  2. Reach the valve through an access panel behind the shower, or by opening the wall.
  3. Cut out the old valve and fit a new pressure-balanced or thermostatic one.
  4. Pressure test before the wall is closed, then set the temperature limit and fit the trim.
Time on site
Usually 2 to 4 hours

How pricing works for this job

There is no one price for shower valve replacement, because the factors above change it from one home to the next. It is done on time: $289 for the first hour, then $189 an hour, plus parts. If it turns out to be a bigger job, you get a written estimate before the plumber carries on.

Call 1-800-604-0631.

Questions people ask

How much does shower valve replacement cost in Metro Vancouver?

Shower valve replaced: $2,189–$2,689. Typical prices in Metro Vancouver and the Fraser Valley in 2026, before tax. They are a guide, not our quote. Too much depends on your home to price these jobs unseen, so your price is set on site, in writing, before any work starts.

Can you replace the valve without removing tile?

Often, by going in from the room behind the shower. If there is no access from behind, some tile has to come off.

Do I need a new valve or only a cartridge?

If parts are still made for your valve, a new cartridge usually fixes drips and temperature swings. A valve with no parts available has to be replaced.

Why does my shower go cold when someone flushes?

An older valve does not balance pressure. A pressure-balanced valve holds the temperature when another fixture draws water.

How is shower valve replacement priced?

It is done on time: $289 for the first hour, then $189 an hour, plus parts. If it turns out to be a bigger job, you get a written estimate before the plumber carries on.

What does it cost after hours?

Regular hours are 9 to 5, Monday to Friday. Outside those hours, every rate is double. If it can safely wait until the morning, it costs half as much.