Quote:
Originally Posted by A930Rocket
Look... What does it take to maintain them and install a scale filter? I don't recall that anyone around here does either.
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Noritz IK-WV-200-1-TH-LF N/A - Build.com!
Need these valves installed but not code around here as inspectors can care less if you maintain them. These valves allow the cleaning solution to circulate the heater and block out fresh water from entering. Cleaning solution is usually vinegar or CLR. Mfgs seems to like CLR and claims they do a really good job. I use a sump pump and just recirculate CLR for 30 minutes flushing all hard water deposit from within the burner. Disconnect and turn valve to allow fresh water into the unit. Run it so it flushes out the little solution in the system. basically turn on hot water and allow it to run for 1-2 min.
Takagi recommends the igniter to be sanded with 100 grit sand paper to rid the carbon deposit. BSsically cleaning an old sparkplug.
Heater Treater is the scale filter. It will remove most scale before it has a chance to enter the unit. You can feel the difference on the hot water side. That water is not so harsh, just don't get burn trying. It is installed on the cold water supple right before it enters the unit.