The ProX19 is the sprayer in this group actually designed for a whole-house exterior rather than scaled up to one. Its 0.38 GPM flow and 150 ft hose capacity mean you can park the cart, run hose around the building, and keep spraying unthinned latex without repositioning every twenty minutes. Bob Vila's team self-primed it and got a fine, uniform spray from the first test forward, naming it their pick for pros. Fine Homebuilding was harder on it, criticising noise, vibration, and a single-filter paint path. Both are right: this is a production tool with rough edges, and the edges matter less when the alternative is three weekends of brushwork.
- — 0.38 GPM flow rate is the highest in this group — the practical difference between finishing a two-story exterior in a weekend and stretching it across two
- — Supports up to 150 ft of hose, so the cart can stay parked while you work around a house and up a ladder
- — Sprays unthinned exterior latex straight from the bucket, no viscosity juggling
- — Fine Homebuilding's tester found it loud and vibration-prone next to cart sprayers costing $300 more
- — Only one filter in the paint path — Fine Homebuilding flagged this as a real time cost in clogged guns and tips
- — Caps out at a 0.019 tip, so elastomeric and heavy masonry coatings needing 0.025 are out of scope