Quote:
Originally Posted by DrDanger
UPDATE: grey water never backs up into the shower even when the grey tank is completely full WOOHOO! This means I don't have to use the pump after all. Also, I am not sure why the shower drained slowly at first, it is totally fine now. I may still drill a small vent hole or two in the side of the shower catch tank just to prevent negative pressure from pulling the water out of the shower P trap.
Now if I could just get my water pump to give me enough shower flow to allow the tankless water heater to work without running the faucet at the same time that would be great...
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The tankless heaters we all buy for skoolies are similar to what was available for houses in 2005 -2006. Technology is pretty old school compared to the new ones it's why the price point is so low.
I installed a few off grind units back then that used water flow to generate the ignition spark ( great idea but not for low flow) on those units I removed the tiny generator and installed a battery pack. If there was still a flow issue I would start with getting a little more flow from the shower head by removing restrictors, then upsize the pump if it still had issues.
A little bit of tuning and you'll be showering with hot water in no time.