Portable Gas Fire Pump (1.5 in)

How it works

A petrol engine driving a centrifugal pump that draws water from a tank, pond, pool, creek or cistern and pushes it out at 1.5 inch fire-hose pressure. It is the component that makes every other water-based defence keep working after municipal pressure drops — which it reliably does during a major fire, when the whole neighbourhood is drawing at once and hydrants are being pumped by crews.

What the market looks like

Portable fire pumps split into three tiers. Agricultural and utility transfer pumps at CAD $400–$1,200 move volume at low pressure — fine for filling a tank, inadequate for sprinklers on a roof. Genuine light portable fire pumps — the Wick, Mark-3 and Honda-powered equivalents used by forestry crews — run CAD $2,500–$8,000 and deliver the pressure that actually pushes water uphill through hose to a roofline. Between them sit a growing number of CAD $1,000–$2,500 units marketed at homeowners, of variable honesty about their pressure curves. The specification that matters is not horsepower, it is the pump curve: pressure delivered at your required flow, at your elevation.

Features that actually matter

Pressure at flow

The only number that matters. You want a curve, not a headline psi. Sprinklers on a two-storey roof need roughly 50–80 psi at the head after friction and elevation losses.

1.5 in fire-hose fittings

NPSH or NH threads, so it connects to real fire hose rather than garden hose. Adapters exist but every fitting costs you pressure.

Self-priming or foot-valve draft

Determines how quickly you can start drawing from a static source and how much fuss the lift is.

Four-stroke engine

Easier fuel, better starting after storage, and no mixing errors under stress. Two-strokes are lighter, which forestry crews care about and you do not.

Electric start on some models

Worth having if anyone in the household will struggle with a pull cord.

What it really costs

Up front

CAD $1,200–$8,000 / USD $900–$6,000. The honest homeowner band for something that will actually run roof sprinklers is CAD $2,500–$5,000.

Consumables

Fuel — CAD $20–$60 per hour of running for larger units. Oil, spark plug, impeller wear rings over time.

What else you'll need

This is where budgets break. Hose and nozzle: CAD $500–$1,500. Suction hose and strainer: CAD $200–$500. Water source — a tank is CAD $2,000–$8,000. Fuel storage cans. A pump with nothing to draw from is furniture.

Over five years

CAD $400–$1,200 in service, fuel stabiliser and the annual test-run fuel. Budget a carburettor clean at least once.

Figures are typical street prices in Canadian and US dollars as of September 2026, gathered from public retail listings. They move with the season and with the exchange rate — treat them as a planning band, not a quote.

How it differs from the alternatives

Versus relying on the municipal tap

The whole argument. In a significant interface fire, system pressure drops, sometimes to nothing, exactly when your sprinklers need it. A pump and a tank is the difference between a defence that runs and a defence that stops.

Versus a transfer pump from the farm store

A CAD $600 transfer pump moves a lot of water at low pressure. It will fill a tank and it will not push water to a roofline through 30 m of hose. Check the curve, not the price.

Versus a permanently installed system's pump

A portable can be moved, lent to a neighbour and taken to a second property. A fixed pump starts from your phone. Choose on whether you will be present.

The neighbourhood angle

One good pump and 200 m of hose shared between four households is a common and sensible arrangement in rural BC and Alberta. It also means someone has to own the maintenance.

If not this, then what

• A permanently installed pump as part of a Frontline-type systemStarts remotely, costs far more, is somebody else's maintenance responsibility if you buy a service plan.
• A shared neighbourhood pumpA quarter the cost each. Requires an agreement about storage, maintenance and who gets it first.