Pressure Washer Siamese Kit
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- Free Shipping on Orders $149+
- Ships same day from Oregon City, OR. Flat-rate shipping: $8.95 under $50 $12.95 under $149
- FREE local pickup at Oregon City shop
GPM MAXIMIZER
This kit connects two pressure washers to increase flow. GPM maximizer kit.
3ft. Hoses to be connected to each Pressure Washer
Includes:
- 3 hoses
- 2 check valves
- 1 tee fitting
Does not include pressure wahser quick connections on ends of hose.
Specifications:
- Maximum Working Pressure: 4000 PSI
- Maximum Flow: 4 GPM per Inlet
- 2 Check Valves to prevent flow back into Pressure Washers
** This item is NOT preassembled. Some assembly required
About Expert Power Wash
Expert Power Wash is built and operated by Tim and Kristina — a team passionate about giving
pressure washing professionals the best equipment available. Every skid is hand-built in Oregon City, OR, with a focus on quality, reliability, and ease of use in the field.
Our goal is to source 95% of the parts we use from the USA. We distribute across 24 states, Canada, and overseas — backing every unit with a lifetime warranty and personal customer support. We don't just sell equipment; we help you build a successful business with hands-on training and ongoing guidance
Shipping & Pickup
We recommend in-person pickup in Oregon City, OR — this includes a free 2-hour
hands-on training session so you leave confident operating your skid. Transport
shipping is also available and coordinated directly with you.

