Water Heater Leak Repair in Peppertree

Close the cold-water valve on the line above the heater, turn a gas heater's control to pilot or off or switch an electric heater's breaker off, and call. Water from the bottom is either the drain valve, the relief valve's discharge, or the tank itself. The first two are repairs; a leak from the tank body is a replacement.

Not from that heater, once you have shut its cold-water valve — and you should shut it, because every gallon drawn refills a tank that is leaking. Cold water elsewhere in the house is unaffected, because the valve above the heater isolates only the heater.

Something is taking up or bypassing the tank's capacity. The usual causes are a broken dip tube, which lets incoming cold water mix at the top of the tank; a failed lower element on an electric heater, which leaves only the top section heating; heavy sediment in the bottom of a gas tank; or a tank that is simply too small for the household. Check first that the hot side is the only problem and that the valve above the heater is fully open. Most of these are repairs in the estimated $150 to $450 range; an undersized tank is not.

Because the fault is at the water heater or the valve feeding it — that is exactly what a hot-side-only problem tells you. The City of Tustin's own guidance says the same: if low pressure is only affecting the hot water, there could be a problem with your water heater, and the first thing to check is that the shut-off valve near the heater is fully open. After that, the usual causes are a pilot that has gone out, a failed electric element, a tripped high-limit reset, or sediment restricting the outlet. If the cold side is weak too, it is not the heater at all — call your water supplier, the City of Tustin's Water Services Division or IRWD, whichever your bill names.