When sediments build up in the storage tank, this could cause rumbling sounds to come from within the tank, an indication that something is wrong and maintenance is needed. Read up the manufacturer’s manual or get a technician to do the maintenance.
If roots grow in the system’s pipes, it could definitely lead to a problem knowing that roots will expand deep into the pipes causing blockages and stop flow of water. Get a plumber to look at this immediately.
Whatever concern that bothers you about you water heater system, contact a technician to help and in cases of repairs, get it done to avoid complications. The technicians will advice on what to do and the best solution that fits you. Let a professional water heater repair service handle your home’s heating system repairs instead of doing it yourself. You could end up with leakages or no supply of water, so it’s best to let the professionals do the repairs. The cost may end up being lesser than you think