Expert Plumbing service at a fair price. Water heater replacement for San Marcos, Carlsbad, Carmel Valley and all surrounding areas. As we see in the video below, the client's previous tank was installed without a drain pan. Water is very unforgiving, and damages from a leaking water heater can be very costly. If you're water heater is approaching 10 years old, and your without a drip pan to protect you from damages, call for your free quote 760.845.0907.