Water Heater Repair & Installation in South Bay
Professional water heater installation, repair, and replacement for tank, tankless, and gas systems. Fast response, upfront pricing, and reliable hot water—done right the first time.
Same-day service available • 1-year workmanship warranty • $100 off installations
Signs You Need Water Heater Service
- No hot water
- Rusty or discolored water
- Leaking tank or pooling water
- Loud popping or rumbling noises
- Pilot light issues or frequent shutdowns
Our Water Heater Services
We repair, install, and replace tank and tankless water heaters. We’ll diagnose the issue, explain your options, and recommend the best fix.
What’s Included
- Repair & troubleshooting (no hot water, pilot issues, thermostats, elements)
- Installations & replacements (code-compliant, clean finish)
- Tank & tankless systems (proper sizing and recommendations)
- Gas water heater service (venting, controls, safety checks)
- 1-year workmanship warranty on installations
Special Offer: $100 off any water heater installation. Ask about current promotions when you call.
Water Heater Repair
Fast diagnosis for no-hot-water issues, pilot light problems, thermostats, heating elements, and minor leaks.
Water Heater Replacement
If your tank is leaking, corroded, or past its lifespan, we’ll replace it with a code-compliant install and clean finish.
Water Heater Installation
New installs, upgrades, and swaps. We’ll match the right size and type to your household’s demand and budget.
Tank Water Heaters
Cost-effective and reliable. Great for many homes with standard hot water needs.
Tankless Water Heaters
Endless hot water and better efficiency. Requires proper sizing and periodic maintenance.
Gas Water Heaters
Safe, code-compliant gas installs and repairs—including venting, pilot systems, and gas controls.
Tank vs. Tankless Water Heaters
Not sure which system is right? Here’s a quick breakdown based on cost, lifespan, efficiency, and what your home actually needs.
Tankless Water Heaters
- Higher upfront cost
- Often lasts longer with maintenance
- Heats water on demand (endless hot water)
- More energy efficient in many homes
Great for higher demand homes or efficiency-focused upgrades.
Tank Water Heaters
- Lower upfront cost
- Typically 8–12 year lifespan
- Stores a set amount of hot water
- Best for small to mid-size households
Good choice if you want reliability and lower upfront cost.
We’ll recommend the right option based on your household size, hot water usage, and budget—then install it clean and code-compliant.
Why Choose Knockout Plumbing
When it comes to water heaters, experience and proper installation matter. We focus on doing the job right the first time.
We’re not here to upsell. We’re here to get your hot water back safely, quickly, and correctly.
- Licensed & insured plumbers (License #854512)
- Local South Bay company
- Family-owned and operated
- Upfront pricing before work begins
- Warranty-backed installations
- 24/7 emergency availability
Proudly Serving the South Bay
We provide water heater repair and installation throughout the South Bay, including Lomita, Torrance, San Pedro, Redondo Beach, Harbor City, and surrounding areas.
Need Water Heater Service Today?
Call now for fast, professional water heater service in the South Bay. We’re available 24/7.