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From inconsistent temperatures to complete tank failures, Heise's Plumbing delivers expert water heater diagnostics and repair throughout the Bay Area. We service traditional gas, electric, and tankless systems.
A failing water heater disrupts your household and can lead to significant water damage. Our licensed technicians arrive equipped to accurately diagnose the problem and, whenever possible, perform a safe, effective repair.
We service all major brands of traditional tank and tankless water heaters. Our goal is to extend the lifespan of your current unit through proper diagnostics, part replacements, and maintenance before recommending a complete replacement.
Our technicians test the thermostat, heating elements, gas valves, burner assemblies, and pressure relief valves to pinpoint the exact point of failure, ensuring we fix the root cause of the issue.
A complete lack of hot water is often tied to a failed heating element, broken gas thermocouple, or tripped reset switch. We test all electrical and gas components.
Fluctuating water temperatures or hot water running out quickly can indicate heavy sediment buildup or a malfunctioning internal dip tube.
If your gas water heater's pilot light won't stay lit, the thermocouple may need cleaning or replacement, or the gas control valve could be compromised.
Puddles around the base can stem from a loose valve, failing connections, or an internally rusted tank. We identify the source to stop the leak.
Rumbling, popping, or knocking sounds are usually caused by boiling water trapped beneath a thick layer of hardened sediment at the bottom of the tank.
A discharging Temperature & Pressure (T&P) relief valve indicates dangerous internal pressure or overheating that requires immediate mechanical adjustment.
Explore real water heater replacements and repairs successfully completed by our technicians in San Francisco and the Peninsula.
Heise’s Plumbing provides plumbing, sewer and drain, electrical, and appliance services for homes and businesses throughout San Francisco and the Peninsula.
Our licensed technicians arrive equipped to accurately diagnose your water heater problems and, whenever possible, perform a safe, effective repair. We carry professional plumbing tools and commonly used parts so we can resolve issues like broken heating elements, faulty gas valves, or failing thermostats promptly.
Heise's Plumbing provides professional service across San Francisco neighborhoods and Peninsula communities.
260 Ocean Ave, San Francisco, CA 94112
A lack of hot water is typically caused by a tripped circuit breaker, a faulty heating element in electric models, or a malfunctioning gas thermocouple or pilot light assembly in gas units.
A traditional tank water heater usually lasts between 8 and 12 years with proper maintenance. Tankless water heaters can last 15 to 20 years. Regular flushing helps extend their lifespan.
It depends on the source. If a connection, valve, or pipe above the tank is leaking, it can usually be repaired. However, if the tank itself has rusted through and is leaking from the bottom, it must be replaced immediately.
Yes, we diagnose, repair, and flush all major brands of tankless water heaters to ensure they deliver reliable, on-demand hot water without scaling issues.
Rumbling or popping sounds occur when a thick layer of sediment builds up at the bottom of the tank. The burner heats the sediment, causing water trapped beneath it to boil and pop through the layer.
