Perhaps a little OT, but not too far ...
Bought a Wagner Optimus Project Power Painter thinking that would be the best way to get multiple coats of primer and top coat on the rough vertical siding of a small storage shed. I like the Kilz 2 product as a primer, but it is THICK paint out of the can, so I tried to thin it somewhat before spraying. What a PITA .... sprayer just would not do a decent job ... erratic performance, paint pulsed, sprayer just stopped spraying for periods, noisy .... I disassembled and cleaned it multiple times, still no improvement .... tried thinning the Kilz numerous more times, but still no success .... what an awful mess and experience. Very disappointed with this Wagner product. The sprayer will spray plain water just fine and, for the very short periods of time that it did work with paint, I can see it will do the job OK if I can get it to perform reliably, but there is no thinning / viscosity info provided in the instructions nor any decent troubleshooting info that addresses the erratic performance.
Anyone have experience spraying the Kilz 2 product? Any ideas on how to make a Wagner sprayer perform reliably? Any suggestions of another primer that will work OK in a Wagner sprayer.
Any and all help appreciated!