My first one was propane same model ran it hard 13 years never cleaned it once never ever had a problem. The plumber never installed the clean out flush valves due to them not available at that time. I just fired this new natural gas one up today purred just like the old one. I installed the flush out valve kit for cleaning the unit. I used the old vent pipe but had to change the end with a male connection to the unit. The hot water pipe is off set a half inch than the old model but gas and cold inlet in same location on bottom of unit. I HIGHLY RECOMMEND this Rinnia model. My old one will be cleaned inside just has some build up nothing some soaking in vinegar won't fix and off to her new home at the cabin for many more years of dependable use. I hope this helps you on how dependable the Rinnai is even when it's not been maintained propperly. My advice put your flush kit in!Read full review
Verified purchase: Yes | Condition: Pre-owned
great reviews looks really good but I have not yet installed
Verified purchase: Yes | Condition: New
I like it so well I put one in my own home! I am a contractor.
Verified purchase: Yes | Condition: New
Internally the unit appears to be a good functioning unit, the cabinet metal should be a thicker gauged metal so not to dent as much
Verified purchase: Yes | Condition: Pre-owned
I am a plumbing contractor. This is the only tankless I put in. I have been installing tankless water heaters for years.
Verified purchase: Yes | Condition: New
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