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What to do when the power goes out?
I have a solar hot water system for domestic and a bit of radiant floor heating. The pump (Taco 011 I think) draws about 300watts when running. So here and all over the area, the power has been unreliable of late, and it is always a struggle to run the pump during daylight hours...nice to have a hot shower after spending the day cutting up the downed trees in the yard.
We've tried a 400 watt inverter run off the car battery: it will do the job, but only for a couple hours without starting the car every hour or so. PV powered DC pump is kinda pricy and would require cutting into the system and running wire for the PV...
Gas generator does fine, but noisy and kinda overkill for the energy needed...
Its a circulating glycol/water system, not drainback- I'm very reluctant to just let it stagnate (and not have hot water).
Just wondering what other solar hot water folks are doing during our frequent power outages?