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Guides & Tools
The reference layer. Nothing on these pages is trying to sell you anything — they explain the decision, then point you at the part.
ToolNozzle sizing calculatorEnter your machine's pressure and flow. You get the orifice size to order and the spray angles worth keeping on the truck.
GuideHot water vs. cold water: when the heat actually pays for itselfA hot water machine costs several thousand dollars more. Here is how to tell whether your work justifies it.
GuidePSI vs. GPM, settledMost people buy too much of one and not enough of the other. Here is how to tell which.
GuideSizing a surface cleaner to your machineThe most common equipment mismatch in this trade, and it is entirely avoidable.
GuideBelt drive or direct drive — the honest tradeoffThere is a real answer here, and it depends entirely on how much you run the machine.
GuideWhat to check before you buy a used machineThis is the list our own bench runs on every trade-in. Use it on anything you are considering, from us or anyone else.
From the blog
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The Shop FloorYour pressure washer won't build pressure. Six things to check, in order.A machine that runs fine but won't make pressure is the single most common call we get, and it is almost never the pump.
The Shop FloorUnloader valve or thermal relief valve? They do different jobs and people mix them up.Two cheap parts that get confused constantly — and confusing them is how people end up replacing the wrong one twice.
The Shop FloorThe burner won't fire on a cold morning. Start here.Cold-weather burner failures follow a predictable order, and the answer is usually near the top of it.