Rennai Tankless Water Heaters

Harry Everhart · 2005-03-08T23:37:37+00:00

I am the guy that has two electric water heaters on the ends of his house and wanted to replace them with gas water heaters.I called a gas contractor to look at the set up. He suggested a Rannai Tankless Gas Water Heater. He said it mounts on the outside wall - on our house it would be perfect right by the gas meter on the wall just outside the bathrooms. We would have instant hot water on demand. We would run a copper tube up and through the crawl space to the kitchen for the kitchen sink and dishwasher. We would insulate that line for heat loss.This whole thing would eliminate lots of problems. It would eliminated two 50 gallon tanks sitting there heated for two adults. It would cut out the long 3/4 copper that runs 80 feet through the concrete. We would get two - $450 rebates form the city for getting rid of two electric water heaters. We would also run a natural gas drop for gas fireplace logs and a dryer.Wife will be happy with fireplace logs - a gas dryer. I will be happy with endless instant hot water in my two showers. See the water heater at - has several installed in town - we are going to go look at them - and talk to customers.Please criticize this plan - am I missing anything? What pitfalls will I run into? I value advice on here - anyone running a Rennai?Harry

Mar 08, 2005 20 Replies

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Harry Everhart 21 years ago

We live in Florida. We have the option of putting it outside or inside. Outside - requires no vent stack - and keeps all combustion outside. No worry about freezing - supposed to be good to minus 30.

Thanks for your comments. Harry

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Rennai Tankless Water Heaters

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