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What a Red Seal Plumber Looks for During a Fraser Valley Home Walkthrough

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What a Red Seal Plumber Looks for During a Fraser Valley Home Walkthrough

Before I was a REALTOR®, I was a Red Seal plumber and gas fitter. I still can’t walk into a house without checking the mechanical room first. It’s habit.

When I tour homes with buyers in Maple Ridge, Langley, Mission and across the Fraser Valley, I’m not trying to replace a home inspector. I’m looking for the things that tell us whether to dig deeper before writing an offer. Here’s what I look at and why.

One thing up front: a walkthrough is not a home inspection. Everything below is a reason to ask questions or bring in a licensed professional, not a final verdict.

1. Start in the Mechanical Room

The water heater: age, venting and the relief valve

Most tanks have a manufacture date coded into the serial number on the label. BC Hydro puts the typical life of a water heater at 10 to 15 years. FortisBC is more cautious with standard gas tanks, at 10 to 12 years. A 12-year-old tank isn’t a deal-breaker. It’s a budget line you should know about.

While I’m there, I check:

  • The temperature and pressure relief (T&P) valve. It should have a discharge pipe running down toward the floor, not capped or plugged.

  • The vent on a gas tank. It should be connected solidly and shouldn’t have soot, rust streaks or scorch marks around the top. FortisBC lists soot and scorch marks as signs to call a licensed gas contractor.

  • The base of the tank. Rust, water or staining at the bottom can mean the tank is near the end of its life.

Shutoff valves

I want to find the main water shutoff and know it's accessible. I also want to see the gas meter and its shutoff valve outside. If you can't find the main shutoff in a house, you won't find it quickly during a leak either.

2. What Kind of Pipe Is It?

Supply pipe material is one of the most useful things you can spot, because it can affect insurance as well as repairs.

  • Poly-B (polybutylene): usually grey, flexible pipe, often stamped "PB2110". It was common from the late 1970s until around the late 1990s and was removed from the National Plumbing Code of Canada in 2005. It can degrade from the inside, so it can look fine and still be weak. A lot of Fraser Valley homes were built in that era.

  • Kitec: a plastic-aluminum composite pipe, often orange (hot) and blue (cold), sold in Canada roughly from 1995 to 2007 and recalled by the manufacturer in 2005. Look for it near the water heater and under sinks.

  • Copper or PEX: what you'll typically see in newer builds and re-piped homes.

Why it matters: some insurers will decline homes with Poly-B or Kitec, or charge a higher deductible for water damage tied to it. If I see either one, the first call is to your insurance broker, before subjects are removed.

3. Water Pressure and Drain Flow

I'll turn on a tap and shower, then run a second fixture or flush a toilet at the same time. A big drop in flow can point to undersized or restricted lines.

Very high pressure can be a problem too. The BC Plumbing Code requires a pressure-reducing valve where static pressure at a fixture may exceed 550 kPa (about 80 psi). If a home has high pressure and no pressure-reducing valve, that's worth asking about.

For drains, I fill a sink and let it go. Slow drains everywhere, gurgling, or a sewer smell can point to a venting or main-line issue rather than one clogged trap. In an older home, a sewer camera scope is often money well spent.

4. Signs of Past Leaks

Water leaves a trail. I look for:

  • stains or fresh paint patches on ceilings under bathrooms

  • soft or lifting flooring around toilets, tubs and dishwashers

  • corrosion or green crust on fittings

  • warped cabinet bottoms under sinks

A fresh patch of paint on one ceiling spot isn't proof of anything, but it's a fair question for the seller's disclosure.

5. Gas Appliances and Leak Signs

This is where my gas-fitting background matters most. Technical Safety BC and FortisBC list warning signs that mean a gas appliance needs a licensed gas contractor:

  • a rotten-egg odour (the smell added to natural gas)

  • a yellow or wavering burner flame

  • frequent pilot light outages

  • soot, scorching or discolouration around the appliance or vent

  • condensation on the inside of windows

If you ever smell gas, don't flip switches. Get out of the house and call FortisBC or 911 from outside.

I also check that there are carbon monoxide alarms. Technical Safety BC recommends CO alarms and annual servicing of all fuel-burning appliances. In BC, gas work has to be done by a licensed gas contractor, so I'll always ask whether newer gas appliances were installed under a permit.

6. Basements, Crawlspaces and Sumps

We get a lot of rain in the Fraser Valley, so I always look low:

  • White mineral deposits (efflorescence) or tide lines on concrete walls

  • Musty smells or visible mould in a crawlspace

  • A sump pit: is there a working pump, and where does it discharge?

  • Standing water in a crawlspace

Some dampness in an older crawlspace is common. Active water, a dead sump pump or a strong musty smell are the things I'd flag.

Red Flag or Normal?

  • Usually normal: Water heater 5–8 years old — Worth a closer look: Tank past 10 years with rust at the base

  • Usually normal: Copper or PEX supply lines — Worth a closer look: Poly-B or Kitec lines

  • Usually normal: Minor dampness in an older crawlspace — Worth a closer look: Standing water or a failed sump pump

  • Usually normal: Blue, steady gas flame — Worth a closer look: Yellow flame, soot or a gas smell

  • Usually normal: One slow sink — Worth a closer look: Slow drains and gurgling throughout

When to Call a Licensed Professional

A walkthrough helps you decide which homes are worth an offer. Once you're serious about one, make your offer subject to a licensed home inspection. Add a sewer scope, a plumber or a gas contractor if anything above came up. Newer builds usually show fewer of these issues, but I still check them. Workmanship matters at any age.

I'd rather you hear about a problem from me before you buy than after.

FAQ

Is a REALTOR® walkthrough a replacement for a home inspection?
No. I can point out things worth investigating, but a licensed home inspector and, where needed, a licensed plumber or gas contractor should assess the home.

How can I tell how old a water heater is?
Check the serial number on the manufacturer's label. BC Hydro notes it can be looked up on the manufacturer's website to find the build date.

Can I get insurance on a home with Poly-B or Kitec?
Sometimes. It depends on the insurer. Some decline, and others raise deductibles for water damage. Call your broker before removing subjects.

What should I do if I smell gas in a home?
Leave the building without using switches or appliances, and call FortisBC or 911 from outside.

If you're looking at homes in Maple Ridge, Langley or Mission and want a second set of eyes on the plumbing and gas side, I'm happy to help.

Book a call with me here! https://calendly.com/jakefrisson

Or call/text 778-238-3463

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