Colette Sigma -

A: This is the thermal overload switch. Unplug the unit for 30 minutes. Ensure you are using a heavy-gauge extension cord (12 AWG or lower) and no longer than 50 feet. Induction motors are sensitive to voltage drop.

A: No. The standard Sigma uses a hot water rating of 140°F (60°C) max. For hot water, you need the Colette Sigma HDS (Hot Water Series), which costs 3x as much. colette sigma

In the world of outdoor power equipment, few names command as much respect for engineering precision as Colette Sigma . While the broader market is often dominated by mass-produced generic units, the Colette Sigma series has carved out a unique niche for homeowners, detailers, and light commercial users who refuse to compromise on pressure, flow rate, or longevity. A: This is the thermal overload switch

If that sounds like you, stop reading reviews and find an authorized dealer. The Colette Sigma isn't just a pressure washer—it's the last pressure washer you will ever need. Induction motors are sensitive to voltage drop

You buy a because you are tired of throwing away plastic pressure washers every 18 months. You buy it because you value flow rate over inflated PSI numbers. You buy it because you want to hand a tool down to your child.

Completed the job in 28 minutes. The induction motor ran cool to the touch. The high GPM allowed the surface cleaner attachment to spin faster, and the triplex pump’s smooth output left zero "tiger stripes" (pressure lines) on the concrete.

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