Tankless hot water heaters are much more technical as opposed to conventional water heaters that people are utilized to. Tankless hot water heaters have plenty of electrical controls and different parts that can possibly fail. With regular hot water heaters there are simply a few different components that could go bad however with tankless water heaters you can find yourself having problems pretty fast. With that being said you may still find several simple goods that you’ll be able to check to troubleshoot your tankless water heater system.

The largest problem that people find with tankless water heaters is always that sometimes the water heater is not sensing the water flow.  Most of the tankless water heater service calls we go on this can be the case.  This is a result of three things.  Most of these common causes are easy in order to identify.

The foremost and most typical thing is that the screen around the incoming water around the tankless heater is clogged up.  This screen can get clogged by debris that is certainly in your water or by lime deposits that can clog the filter. Next that can cause the tankless hot water heater to not sense flow is there’s a lime or calcium in the water deposit inside heaters heat exchange.  This is cause by not having a water softener or water conditioner in your hot water system.  The last believe that could cause a tankless system not to register flow will be the flow meter is broken. This doesn&rsquot happen very much but sometimes happen.

The 2nd major reason behind a tankless water heater to not work is improper vent piping.  Tankless hot water heaters utilize a different vent configuration most with a stainless-steel or PVC vent pipe.  If the vent pipe just isn’t installed correctly or is becoming restricted it’s going to cause the tankless hot water heater to halt working.  We occassionally note that a plumber has installed a tankless system and did not realize that the vent system carries a different configuration when compared to a conventional tankless hot water heater system.

Another major reason behind a tankless hot water heater no longer working is low gas pressure.  Most tankless water heaters use 180,000 or 199,000 BTU&rsquos.  That is a bit more compared to a regular gas hot water heater system.  A good general guideline is that a tankless hot water heater need at least a ¾ inch gas feed.  This may still not be enough gas if there is a large load in your gas system or you’ve got a long run to have gas to your tankless heater.  The best idea is with a manometer to determine the amount static pressure gas you’ve got and how much working pressure gas you’ve got when it is running.  Every sort of tankless water heater has a minimum quantity of gas you have to have and also hardwearing . tankless hot water heater working.

I hope this short article helped you with your tankless water heater problem.  If you are still having problem call us we will be very happy to send a San Antonio Plumber over to assist you.