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The hose reels are Hannay brand hose reels. One on bottom, 3000 psi. the one on top is 5000 psi. I had an aluminum frame built to accomadate both hose reels and the soap valve. Both are under warranty. There is 500 feet of low pressure proffessional grade garden style hose. The top has 5000 psi 1 wire victor vortex hose.
Behind the hose reels you will see a water softener. This will soften roughly 2000 gallons of water, depending on the hardness. All water traveling in the low pressure hose is taken through this softner and then dumped into the water tank. There is a bypass valve in case you don't want soft water. The water travels to an elbow on the top of the water tank with a Hudson brand float valve. These are a non mechanical valve, nothing brakes while you pull it down the road. When the tank is full, the water automatically stops at the valve and the refills as water goes down.
Mounted on the left side of the hose reel, there is a 3-way ball valve that allows you to choose from one of the three, 15 gallon soap containers mounted on the front side of the water tank. The like is clear commercial grade line with brass (check valve) screens and a poly check valve for the hydroflouric acid solution. This allows you to have 3 full soaps and choose between which soap you will use for different applications that you switch at the back of the trailer. The soap is injected via low pressure after the pump. No up-stream at all. We can cast soap a long way with the system I used.