Spray Guns
Find pro‑grade pressure washer spray guns and repair kits for cold‑ and hot‑water machines. This guide explains how to match PSI, GPM, temperature ratings, and connections so your setup is safe and comfortable to use.
Use the quick selector, spec table, and compatibility checklist to choose a gun or kit that fits your workflow and budget.
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Suttner ST-3300 Pressure Washer Trigger Spray Guns 2170 PSI 27 GPM 4-Pack
$1,312.47
As low as $32.81/mo -
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Spray Guns FAQ's
Are swivels worth adding to a spray gun?
A live swivel between the hose and gun reduces hose twist and operator fatigue. Choose a swivel with PSI, GPM, and temperature ratings that meet or exceed your system.
What’s the difference between rear‑entry and front‑entry guns?
Rear‑entry brings the hose straight behind the handle to reduce wrist bend and hose drag. Front‑entry routes the hose forward and is preferred in some specialty setups.
When should I replace or rebuild a spray gun?
Replace or rebuild when you notice seepage past the trigger, a sticky or slow‑returning trigger, external leaks, or visible damage. Small leaks often indicate worn seals or O‑rings.
Do low‑trigger‑force guns make a difference?
They reduce hand fatigue on long jobs, especially at higher pressures or with hot water. They also help operators maintain better control and productivity.
What temperature rating should I choose for hot‑water washing?
Select a gun with a temperature rating at or above your heater’s outlet. Many hot‑water guns are rated around 300°F, which provides margin for most washers.
Can I run a 3,000 PSI machine with a 5,000 PSI‑rated gun?
Yes. It’s acceptable for the gun to be rated higher than the machine. The overall system limit is the lowest‑rated component for PSI, GPM, and temperature.
What thread sizes do most professional spray guns use?
Many pro guns use a 3/8″ NPT female inlet for the hose and a 1/4″ NPT female outlet for the lance or quick connect. Always confirm the specific product’s threads and any M22 variants before ordering adapters.
