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Glass Lined versus Stainless Steel - Indirect HW Heater
I am replacing my water heater (Rheem 75 gallon power vent nat gas) with an indirect HW heater. My plumber is insisting that the Glass Lined Superstor Contender is the way to go. Reading the documentation available on the web leads me to believe that the Stainless (Superstor Ultra) is a better option. The documentation reports a much higher first hour rating for the stainless versus the glass lined and the stainless is much lighter which should make installation much easier. My plumber told me that the Stainless fails more frequently than the glass lined units, yet HTP offers a limited lifetime warranty on the stainless and only 7 years on the glass lined.
I would welcome any opinions or experiences with both.
The indirect will be paired with a Power Vent Burnham Boiler (PVG6NI and, will be set on priority.