Banging pipes
Water hammer fatigues the joints you cannot see. An arrestor usually fixes it.
A village core on Highway 27 with country properties spread out around it. What we get called about here is rarely dramatic — it is banging pipes, taps that freeze, and working out what still runs when the power does not.
Pipes that thump when a tap or an appliance shuts off is water hammer, and it is far more common on the longer runs you get in Nobleton houses. Water moving through a pipe has momentum; when a valve closes fast the column of water stops dead and the shock travels back through the system as a bang.
It is not just noise. Repeated hammering loosens joints and fatigues fittings, and it works on the connections you cannot see. The fix is usually an arrestor fitted near the offending appliance — washing machines and dishwashers with fast solenoid valves are the usual culprits — rather than anything dramatic.
Worth knowing before it happens, because it differs depending on what your house is connected to.
On municipal water you keep water pressure through an outage, because the pressure comes from the municipal system rather than from your house. Taps and toilets keep working. What stops is anything with a motor: your sump pump, and a tankless water heater, which needs power to fire even on gas.
On a private well you have no water at all once the power goes, because the pump is electric. That is the single biggest practical difference between the two, and it catches people out when they move to a country property.
Either way, the thing worth planning for is the sump pump. If you have one and the basement matters to you, a battery backup covers exactly the scenario where the mains supply and the storm arrive together.
Larger properties tend to have several hose bibs, an irrigation connection, and sometimes a tap at an outbuilding — and each one is a place where water sits in a pipe close to an exterior wall. A hose left connected over winter is the classic cause: it holds water against the tap, that water freezes and expands, and the split usually appears inside the wall rather than outside where you would see it.
Disconnect hoses in autumn and drain the line if you have an interior shut-off for it. If your outdoor taps are the older non-frost-free type, replacing them with frost-free versions is a small job that removes the problem permanently.
The older homes around the Nobleton crossroads predate the estate lots by a long way — original supply lines, fixtures repaired more than once, pipe added to in stages. Straightforward work for us, and we would rather stage it worst-run-first than quote a whole-house replacement you do not need yet.
Wells and septic: we do not service either — no well pumps, pressure tanks, water treatment or septic systems. On a King Township property with private services we handle everything inside the house from the pressure tank onward. The same boundary applies in King City and Schomberg.
The unglamorous list — and every one of them turns into real damage if it is left long enough.
Water hammer fatigues the joints you cannot see. An arrestor usually fixes it.
Frost-free replacements, before a split appears inside the wall.
The storm that floods the basement is the storm that takes the power out.
Repaired where it is worth it, replaced where it is not.
They feel the same at the tap and have different causes. Pressure is the force behind the water; flow is how much actually arrives. A pipe narrowed by scale still has full pressure behind it and delivers a trickle. Which one you have decides whether replacing pipe helps at all.
Yes. Plumbing downstream of treatment equipment is ordinary plumbing and we work around it constantly. What we will not do is service, repair or replace the softener itself, or diagnose a fault in it. If the problem turns out to be the treatment gear, you need a specialist.
That is water hammer. Water in a pipe has momentum, and when a valve shuts fast the moving column stops dead and the shock travels back as a bang. Washing machines and dishwashers are the usual trigger. Worth fixing — repeated hammering loosens joints you cannot see. An arrestor normally sorts it.
Depends what you are connected to. On municipal water, yes — the pressure comes from the municipal system, so taps and toilets keep working. What stops is anything with a motor: your sump pump, and a tankless heater, which needs power even on gas. On a private well you have no water at all.
Disconnect the hose in autumn. That is most of it. A connected hose holds water against the tap all winter, and when it freezes the split usually appears inside the wall — so the first sign is water in the basement on the first warm day. Older non-frost-free taps are worth swapping.
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