Question about Water Water Heaters
SOURCE: model PTG-42PVN
According to the symtoms...sounds like you have a problem with the flow control valve. If less than 3 yrs old, contact Rheem Customer Support at (800-432-8373) and they can an authorized tech in your area to service the unit.
If the unit is out of warranty, I reccommend you still call customer support to find a local technician. Unless you're highly technical/mechanical, this is not a problem you should attempt yourself.
Thanks for trying Fixya.com
Posted on Feb 07, 2010
If your lighting and not getting hot water then you have a valve closed or your by pass is in the wrong position, if it is burning on gas it will heat water
Posted on Mar 06, 2010
There's a filter on the cold water side of the unit. You'll notice a black, plastic, cylindrical component directly below the unit on the cold water line pointing to the left. If you shut of your water and unscrew that cap, there will be a filter attached to the other end.
If the filter is clean, I'd recommend calling tech support for help. You might have an error code.
Posted on Aug 01, 2010
SOURCE: Have been running extremely hard water thru our Noritz NR98-DVC for a couple of years. Unit is not functioning properly. What, if any, damage could result from using this hard water? Could there be
Replace single-handled faucet cartridge, and see if hot flows to that faucet again.
Exposing tankless to hard water causes reduced efficiency within a few months, and can cause Total failure of parts within two years.
Do not expose tankless to more than 11 grains hard water.
Here is research pdf conducted by water softener industry comparing tankless andf tank-type:
To possibly solve problem temporarily, install softening system, delime tankless unit using white vinegar. Delime yearly. It is fun for whole family. And who doesn't like a project schedule.
To solve problem long-long term, install tank-type gas water heater from local box store for $350.
If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
Posted on Oct 12, 2012
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