Valve Body and Cartridge
We supply and install a new valve body or cartridge matched to your piping and trim. Common Moen, Delta, Kohler, and Grohe parts ride on the truck, so most jobs don't wait on an order.
When your shower valve drips, sticks, or won't hold temperature, shower valve replacement Pocatello ID homeowners trust is what gets your bathroom back to normal. We swap cartridge, mixer, and pressure-balance valves behind tile, tub surrounds, and fiberglass units across Bannock County. One visit, upfront pricing, and a valve that shuts off clean. Call +1 986-336-9053 and we'll get you on the schedule.

A shower valve is the brass body buried behind your wall that mixes hot and cold water and sends it to the head. Shower valve replacement Pocatello ID work means cutting off the water, opening the wall or accessing through the trim plate, unsweating or unthreading the old body, and setting a new valve that matches your PEX or copper piping. We pressure-test before the wall goes back. Most jobs take two to four hours, and we leave the shower running clean before we pack up.
In Pocatello, most valve failures start with hard water and old rubber seats. The cartridge wears, the handle gets stiff, and suddenly you've got a drip you can hear at night or a shower that swings from scalding to cold. We see it constantly in 1970s and 1980s homes around Highland Area and the University Area, where original Moen and Delta valves are still in the wall. If you've been searching shower valve repair Pocatello Idaho near me, that drip is usually a $180-$450 fix, not a full remodel.
Every valve job includes the parts and labor to get your shower running dry and temperature-stable. We tell you what's covered before we start so there's no surprise line item at the end.
We supply and install a new valve body or cartridge matched to your piping and trim. Common Moen, Delta, Kohler, and Grohe parts ride on the truck, so most jobs don't wait on an order.
We open the wall at the smallest practical size, then patch with cement backer board and drywall. The patch gets sealed and textured so it's ready for paint or tile.
After the valve is set, we run hot and cold water and check every joint for weeps. We verify the temperature holds steady so you don't get a cold shock when another fixture runs.
We reinstall the escutcheon, handle, and shower head, and confirm the trim sits flush and square. If you bought new trim, we fit it to the new valve so the handle turns smooth.
We seal the trim plate with silicone caulk to keep water out of the wall, then wipe down the shower and sweep the floor. The bathroom is usable the same day.
We shut off the water, pull the handle and trim, and confirm whether the cartridge or the valve body has failed. A moisture meter checks the surrounding wall. You get a straight answer on repair versus replacement and a price before we cut anything.
Drop cloths go down, and we mask the tub or shower pan. An oscillating multi-tool opens the wall at the smallest practical size, usually a 6x6 to 8x8 access. We keep the cut inside the new trim plate footprint whenever the valve location allows it.
The old valve comes out, and we clean the pipe ends. A new valve, matched to your PEX or copper piping, gets set plumb with a laser level so the trim sits square. We solder or crimp per code and check every joint before closing up.
Water goes back on and we run hot and cold for several minutes, watching for weeps at the connections and checking temperature swing. If anything drips, we fix it now, not after the wall is closed. This step is why we rarely get callbacks.
We patch the opening with cement backer board where needed, seal with silicone caulk, and reinstall the trim and handle. The work area gets wiped down and swept. You get a walkthrough of the new valve and the cartridge model number for future reference.
We shut off the water, pull the handle and trim, and confirm whether the cartridge or the valve body has failed. A moisture meter checks the surrounding wall. You get a straight answer on repair versus replacement and a price before we cut anything.
Cuts drywall and backer board at a controlled depth so we don't nick a pipe or crack surrounding tile. It keeps the access opening small and inside the trim footprint when possible.
The pipe wrench holds supply lines steady while we break the old valve free. The plumber's snake clears any debris that falls into the drain during the swap.
Sets the new valve plumb and level so the trim plate sits square. A crooked valve shows up as a gap at the escutcheon, and the laser prevents that.
Checks the wall cavity for hidden moisture before we close it up. If the reading is high, we dry the cavity first so mold doesn't start behind the patch.
Seals the trim plate and any tile edges against water intrusion. Silicone stays flexible and holds up to shower heat better than latex caulk.
Cuts replacement tile cleanly when the valve opening extends past the trim plate. Spacers keep the patch aligned with the existing grout lines.

A 1978 ranch home had a Moen valve dripping steadily for months. The handle was stiff, and the wall behind the trim showed a faint water stain. The homeowner had been told a full remodel was the only fix.
After: We pulled the cartridge, found the body sound, and installed a new cartridge and seats in under two hours. The drip stopped, and the moisture meter read dry after we dried the cavity. Total cost was $240, not a remodel.
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A 1950s home had a valve that wouldn't shut off. Water was running into the hallway, and the homeowner called at 10 p.m. The main had to be shut off to stop the flow.
After: We isolated the water, replaced the valve body the next morning, and pressure-tested before closing the wall. The hallway drywall was patched and painted. Water was back on within 18 hours of the call.
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A rental unit had a broken handle and a valve that swung hot and cold. The landlord wanted a durable fix that wouldn't need another service call in a year.
After: We replaced the valve with a thermostatic model, set the anti-scald limit, and fitted new trim. The temperature held within 2 degrees during the test. The unit was back in service the same day, and the landlord got the part numbers for records.
Book this service →Most valve calls start with one of these four symptoms. Each one has a straightforward fix once we identify whether the cartridge or the body has failed.
Ask a pro →We pull the cartridge and inspect the valve body. If the body is sound, a new cartridge and seats stop the drip in under two hours. If the body is pitted, we replace the whole valve and pressure-test before closing the wall.
We free the handle, replace the cartridge, and lubricate the moving parts with silicone-safe grease. If the stem is damaged, we move up to a full shower valve replacement Pocatello ID so the handle turns smooth again.
We replace the valve with a new pressure-balance or thermostatic model that holds within 2 degrees. The new valve meets anti-scald code and keeps the shower steady even when other fixtures run.
We open the wall, find the leak at the valve or supply connection, and replace the failed part. A moisture meter confirms the cavity is dry before we patch and seal. We also check the exhaust fan to make sure the bathroom dries properly.
Most shower valve replacement Pocatello ID cost falls between $180 and $450 for a cartridge or pressure-balance valve swap, and $450 to $900 when the valve body itself is replaced behind tile. Access difficulty, valve brand, and whether we're patching tile drive the number. We quote before we cut, so you know the price up front.
Hard water is the usual culprit. Mineral buildup wears the cartridge O-rings, and the valve drips at the spout or behind the trim. In older Pocatello homes, the valve body itself can corrode. We pull the cartridge first, and if the body is pitted or cracked, we recommend full shower valve replacement Pocatello ID rather than another cartridge.
A standard cartridge or valve swap runs two to four hours. If we're replacing the valve body behind tile and patching backer board and grout, plan on most of a day. We give you a time window when we book and call if anything changes. Water is back on and tested before we leave.
Often yes. If the existing trim plate is large enough, we can cut an access opening inside its footprint and swap the valve without touching surrounding tile. When the new trim is smaller or the valve sits off-center, we patch a small tile section and match grout. We check this during the estimate so you know which path applies.
A dripping valve won't fix itself, and the damage behind the wall adds up. Call +1 986-336-9053 for upfront pricing and a same-day window. Licensed, insured, and warrantied work.
Schedule Service +19863369053 →Call us or send a message and we will get back to you the same business day. We schedule estimates Monday through Friday and can usually get to a Pocatello address within a few days. Tell us what is going on with the bathroom and we will tell you what it takes to fix it.