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Error code 13 (air flow) tankless H20 Rheem
Have 2 of these Rheem units in my house. Both had this same error code within 30 days of each other. And my neighbor has 2 units as well - and guess what - 2 months after mine stopped working because of the code - so did theirs. It is not something that can be fixed. It is a manufacturer's defect - and it looks like Rheem has yet another class action on their hands (like the one for the RTG - 74 PVN). They need to do a recall to repace these units.
on May 10, 2019
Hi, I have a Rheem RTG-74PVN-2 tankless hot water
Remove power source from the unit. If remote control is installed; remove cover and lift the control wires on the terminal...can be accomplished from either end. See if the unit runs longer.
If you're receiving any error codes, especialy code 76; contact RHeem customer support at (800-432-8373) and notify them IF you are getting a code "76" error.
on Jan 31, 2016
Heater refuses to come on
Make sure that the gas valve is fully open. Check to see if you have voltage going into it, and the curcuit breaker didn't trip. If it's plugged into a GFCI outlet or circuit breaker, then make sure that it didn't trip.
on Jan 11, 2015
What does this mean c7 13
It is the code for the thermocouple or
oxygen depleation sensor call rheem and thay will send
you a how to in PDFs but check the venting first
on Nov 29, 2014
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