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Depex Plumbing & Drainage

Plumbing Repair & Installation

Plumbing Repair & Installation in Coquitlam

Repairs, replacements, and new installs across the whole potable-water system.

Hands fitting a compression valve onto copper supply pipe

Scope

What we handle

  • Supply pipe repair & repiping

    Copper, PEX, and full polybutylene replacement, section by section or whole-house.

  • Water heaters

    Tank and tankless: replacement, expansion tanks, T&P valves, and recirculation.

  • Fixtures

    Toilets, sinks, tubs, showers, laundry boxes, hose bibs, and utility sinks.

  • Valves & controls

    Main shut-offs, angle stops, pressure-reducing valves, and backwater valves.

  • Pressure problems

    Diagnosing whether low pressure is the city supply, the PRV, or scaled pipe.

The short answer

Depex repairs and installs the full potable-water side of your home or building — supply lines, shut-off valves, water heaters, toilets, sinks, showers, and outdoor bibs. We work on copper, PEX, poly-B replacement, and galvanized retrofits across the Tri-Cities, Burnaby and Pitt Meadows, and we quote a flat price before any work starts.

Poly-B replacementWater heatersPipe repairFixture installsShut-off valves

Signs it's time to call

  • Water pressure has dropped across the whole house, not just one tap
  • Grey polybutylene supply pipe visible at the water heater or under sinks
  • Rusty or discoloured water first thing in the morning
  • A water heater older than about twelve years, or one that rumbles
  • Shut-off valves that seize or weep when you try to turn them

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Local detail

What's different about this job in the Tri-Cities

Polybutylene is the one to know about in this region. If your Tri-Cities home went up between roughly 1978 and 1995, there is a fair chance the supply lines are grey poly-B with acetal fittings — a system with a well-documented tendency to fail at the fitting, without warning, behind a wall. Replacing it on a planned schedule costs a fraction of replacing it plus the drywall, flooring, and insurance deductible afterwards.

Answers

Plumbing Repair & Installation: common questions

The questions we get asked on almost every one of these calls.

How long does a water heater replacement take?

A straightforward like-for-like tank swap is usually three to four hours including draining the old unit, hauling it away, and testing. Converting to tankless is a bigger job — gas line sizing, venting, and often an electrical circuit — and typically takes a day.

Should I repipe the whole house or just fix the leak?

It depends on what the pipe is. A single pinhole in otherwise sound copper is a spot repair. A poly-B fitting failure is a warning — the rest of the system is the same age and the same material. We'll show you what we found and let you decide, with a price for each option.

Do I need a permit?

For a like-for-like fixture swap, generally no. For altering or extending pipe, moving a fixture, or replacing a water heater in most cases, yes — and we pull it. Permitted work gets inspected, which is protection for you when you sell.

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Tell us what's happening and we'll tell you what it takes to fix it — before we pick up a tool.

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