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Takagi https://www.radiantcompany.com/heatsources/ondemand/ from brochure it supports heating spaces.. although not exactly in way I was thinking.. https://s3.amazonaws.com/s3.supplyhouse.com/product_files/Takagi-T-H3J-DV-P-brochure.pdf

Is there a recommended instant water heater that won't burn up if we give it 100F+ temps on input when the primary system don't keep up? Preferably propane, as we'd like the system to run without power on house batteries w/o having to start up the generator. Grey box center-left, after a...

I am looking at those panels as well.. as you can't find much for $100 for a 300W+ panel these days (was easier few years ago!).. 335-340 is right where I need them. per wikipedia.. https://en.wikipedia.org/wiki/Neo_Solar_Power My concern is Surplus panels with no mfg warranty. They do...

I went with mini breakers.. 10A per 8 long string should be sufficient.

So basically, they're good for a few minutes until generator starts if that's what I want. and if that's what I want, I just need to make sure they can support the typical draw.

found an opinion in older thread https://diysolarforum.com/threads/deka-agm-batteries-will-they-work.24474/

Does anybody have any opinions for using UPS solar in Solar ? The batteries in setups with auto-generator start (e.g. Sol-Ark) never really get drained beyond a point determined by owner (e.g. 80%)

These are the specs of REC310PE72. I believe the answer is 9.02 I'd prefer an automatic breaker as apparently I seem to not think ahead and create shorts occasionally.. I probably should just stick working with those things at nights. But I can't seem to let those Solar Watts go to waste...

I have 4 strings of REC Peak Energy 72 Cell going into Sol-Ark 8k. The voltage of each panel is 45V, so string of 8 is in the vicinity of 360VDC, give or take (mostly take). I have MidNite Solar box I never installed, but apparently that only goes up to 300VDC. I'd like something in between...