Water Heater Troubleshooting
From strange noises to lukewarm showers, we help you diagnose and fix the most common water heater problems without calling a plumber.
How to Fix a Leaking Water Heater Relief Valve: Step-by-Step Guide
Is your water heater's T&P relief valve dripping or running? Learn the exact causes of a leaking relief valve—from high pressure to sediment—and follow our step-by-step guide to test, diagnose, and replace it yourself.
How Long Do Water Heaters Last? Complete Lifespan Guide
Water heaters last 8-20 years depending on type. Learn what shortens lifespan and how to get the most years from yours.
Electric vs Gas Water Heater: Complete Comparison Guide
Compare electric and gas water heaters on cost, efficiency, lifespan, and safety. Find out which type fits your home.
Hot Water Heater Not Working: Complete Troubleshooting Checklist
No hot water? Run through this checklist to diagnose the problem before calling a plumber. Covers gas and electric.
Tankless Water Heater Pros and Cons: An Honest Assessment
Tankless water heaters save energy but cost more upfront. Here is what manufacturers do not tell you.
Water Heater Expansion Tank: Do You Need One?
Expansion tanks prevent pressure damage in closed plumbing systems. Find out if your home needs one and how to install it.
Water Heater Leaking from Bottom: Causes and Fixes
Water pooling under your water heater? Here are the 6 most common causes and how to fix each one before it floods.
Water Heater Pilot Light Won't Stay Lit: Troubleshooting and Fix Guide
Pilot light keeps going out? Walk through the 6 most common causes and learn which fixes you can handle yourself.
Water Heater Maintenance Schedule Checklist (Seasonal Guide)
A month-by-month water heater maintenance schedule covering flushing, anode rod checks, T&P valve tests, and seasonal prep for gas and electric units.
Water Heater Making Noise: Troubleshooting Guide
Water heater making noise? Identify popping, rumbling, screeching, humming, and knocking sounds. Each noise has a specific cause and fix.
Water Heater Thermostat Adjustment Guide
How to adjust your water heater thermostat for safety, efficiency, and comfort. Covers gas and electric models, ideal temperature settings, and troubleshooting.
How Hard Water Destroys Your Water Heater (And What to Do About It)
Hard water causes sediment buildup, scale on heating elements, and premature tank failure. Prevention saves thousands.
How to Flush Your Water Heater: Step-by-Step Guide
Sediment builds up in your tank every year, reducing efficiency and shortening lifespan. Flushing takes 30 minutes and costs nothing.
7 Signs Your Water Heater Is About to Fail
Most water heaters fail between years 8-12. These warning signs give you time to replace before a catastrophic leak.
Water Heater Anode Rods Explained: The Part That Saves Your Tank
The anode rod is a sacrificial metal bar that prevents your tank from rusting. Replacing it can double your water heater lifespan.
Do You Need a Water Heater Expansion Tank? What It Does and When It Is Required
When water heats up it expands. An expansion tank absorbs that pressure so your plumbing does not.
Water Heater Pilot Light Won't Stay Lit: Causes and Fixes
A pilot light that keeps going out is one of the most common gas water heater problems. Most causes are inexpensive to fix.
What Temperature Should Your Water Heater Be Set To?
The default factory setting is 140F but the DOE recommends 120F. Here is why the difference matters for safety and savings.
How to Remove Sediment From a Water Heater (Complete Guide)
Remove sediment from your water heater using flushing, back-flushing, vinegar dissolution, and manual cleaning. Covers light to severe buildup.
How to Replace a Water Heater Drain Valve (DIY Guide)
Replace a leaking or clogged water heater drain valve in under an hour. Covers removal, choosing brass vs plastic valves, and installation.
No Hot Water After Flushing Your Water Heater? Here's Why
Troubleshoot why you have no hot water after flushing your water heater. Common causes include air locks, tripped breakers, and burned-out elements.
Water Heater Drain Valve Leaking: Causes and Fixes
Fix a leaking water heater drain valve with this DIY guide. Covers tightening, replacing, and upgrading valves to stop drips permanently.
Water Heater Not Draining? How to Fix a Clogged Tank
Troubleshoot a water heater that won't drain. Step-by-step fixes for clogged drain valves, sediment blockages, and stuck valves.
Water Heater Making Popping Noises? Here's What It Means
Find out why your water heater is making popping or knocking sounds and learn how to fix it. Sediment buildup is the most common cause.
Annual Water Heater Maintenance Checklist (Printable PDF)
Step-by-step yearly water heater maintenance checklist for gas and electric tanks. Flush, inspect the anode rod, test the TPR valve, and more. Printable PDF included.
Best Powered Anode Rods for Water Heaters
Powered anode rods last 20+ years and eliminate rotten egg smell. We compare Corro-Protec and alternatives to help you decide. Expert tested and reviewed for 2026.
Best Tankless Water Heater Flush Kits (2025)
We compared the top tankless water heater flush kits by pump quality, descaling power, and overall value. Here are the 5 best options for DIY descaling.
Best Water Leak Detectors for Water Heaters (2025)
We compared WiFi-enabled and basic water leak detectors to protect your home from water heater leaks. Here are the 5 best options for early leak detection.
Gas vs. Electric Water Heater Maintenance: Key Differences
Gas and electric water heaters need different maintenance. Learn what to check on each type and which components are unique to each fuel source.
5 Signs Your Water Heater Needs Flushing
Not sure if your water heater needs a flush? These five warning signs tell you it's time to drain the sediment before it causes real damage.