I have two Seal heat presses, I only used fiber paper for my prints. One press will handle 16x20 prints and I purchased it new. The second press is a Seal 500 and will handle 20x24 prints which I mounted on 24x30 white mat boards. The Seal 500 shows its age, but I usually heat it up to about 250-275 to mount the fiber prints and it performed properly... Both presses are heavy and the 500T is really heavy. When I ordered/purchased the 500T, it came in on a pallet.
Yes, I have a print washer ... Its a versalab and I have two inserts for it. The first insert has about 16 slots and you can wash anything up to a 16x20 size print in it. The second insert is made for 20x24 images and will hold 4 at a time. The 20x24's are curled in half, end to end, and slid into the trough. During the wash, all prints are held down with supplied solid plastic bars to keep the print edges beneath the water. When I made bigger images, such as 24x30, I had to wash them in the bath tub.
Gary