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GTAGTA Plumbing Company

Services ยท Fixtures

Shower Valve Replacement for Homes Across the GTA

A shower that spikes hot every time someone flushes has a valve that cannot compensate. A current pressure-balancing or thermostatic valve fixes it.

  • Shut-offs replaced when they will not close
  • Trap and supply lines rebuilt under the fixture
  • No-leak check with water running
Shower valve and plumbing stubs on a tiled wall
Shower valve stubs coming through tile.

Diagnosis first, tested after

Signs it is time to call

Sudden temperature swings, a handle that drips or will not shut, a stiff or loose handle, or a valve so old that parts are gone all point to replacement. Changing trim style during a refresh is another reason.

Temperature swings in a shower are not a nuisance. They are a scald waiting for a child.

On the job, step by step

We shut the water and remove the trim. Access comes from behind if there is a closet or panel, or through the tile face, using a cut-out the new trim plate will cover where possible. Out comes the old body; the replacement is sweated, crimped or threaded in, set so its face lines up with the tile. After pressure testing, we set the anti-scald limit stop and install trim.

  • Pressure test before closing
  • Anti-scald stop set
  • Trim plate sized to cover the opening

GTA houses and what they change

Many older GTA homes have two-handle or three-handle shower valves with no pressure balancing. Some trim kits are designed to cover older openings. Tile behind the valve may be difficult to match if a large opening is needed, so access from behind is preferred.

Before you pick up the phone

Ask whether the job can be done from behind the wall and whether a large trim plate will be used. Call (365) 387-8531.

Signs you need this

  • Stains or soft drywall behind the tub surround
  • Drip from the spout that a firm turn no longer stops
  • Water under the sink after the dishwasher or disposer runs

What is included

  • Basin wrenchReaches faucet nuts behind a sink bowl
  • Slip-joint and P-trap partsRebuild the trap and tailpiece under the sink
Typical cause
Worn cartridges, scale, loose traps
Access point
Under the sink, behind the trim plate
Proof of fix
Dry cabinet, steady temperature, no drip

Common questions

Pressure-balancing versus thermostatic: which is which?

Pressure-balancing valves react to pressure changes. A thermostatic cartridge holds the temperature you set and lets flow be adjusted on its own handle. Either type guards against a sudden scald.

Related pages

Call now · (365) 387-8531