My suggestion(s) would be:
- Figure out a convenient water source. Laundry room sink, washing machine, etc. I'm sure others have figured out how to mix hot and cold at the washing machine valves but were it me I would use a sink as my WC method involves turning both hot and cold water on full blast. It's not exact as far as replacement water temp but it's close and my fish have never complained.
- Measure how far it is roughly from that water source to your tank and buy a 3/4" garden hose (not 5/8" and definitely not one of those really skinny ones that seem to be the rage at hdwe stores. You want a real live 3/4" contractor grade hose that is not prone to kinking and yet is flexible. I mount mine on an indoor hose reel just because it gets used often enough to warrant same. The reason for the rough calc of distance between water source and tank is that the coefficient of friction increases w/ hose length and flow rate diminishes quickly. If it's only 25 feet or so I wouldn't recommend a 50' hose. You want to make sure you can cover both drain and fill distances w/ same hose though.
- Build a U-shaped PVC fitting that you can hook over the top of your tank. You'll use it for draining and you'll use it for filling. I prefer dorsal fin high WC's so on the inside of my tank that fitting hangs pretty low. At the other end of the fitting is a specific hose adapter and you need the right one. One end of your hose may be connected to a hose bib, faucet, etc. so that end will be the female end of your hose. At the other end of the hose is a male adapter so you'll need a female adapter at the end of your home fab'd PVC fitting. This is what I built for WC's and I use a coupling, another section of PVC pipe and a strainer to accommodate various tank depths...
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Don't mind the muck on my stick. River bottoms are a little dirty too.
Once you've got that sorted you should see a drain and fill speed roughly 3x quicker than that little python could ever deliver. Holler if I need to insert a little clarity here, I'm heading for the rack.
If there were one other thing to be aware of it's that if you have a tank style HWH at your home you'll want to be aware of how much it can provide before you have no hot water left and you'll want to factor in how much laundry mamma's been doing and how recently. If you have an instant HWH then you likely have no issue there.