Why is an older water heater an insurance problem?.
What's the valve with the flip-up handle on the water heater for?.
What does it mean when a gas appliance (water heater, furnace, or range) has been "red tagged"?.
How do I determine if a water heater is gas or electric?.
What is backdrafting at a gas water heater?.
What is the difference between a regular water heater and a power vent water heater?.
What is the difference between a regular water heater and a direct vent water heater?.
How does a hydronic heating system work?.
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How can I determine the age of a water heater if the serial number is missing or decoding it is impossible?.
What can I do to make my water heater last longer?.
Why is my water heater making strange (rumbling, gurgling, knocking or banging) noises?.
What are the most common installation mistakes with water heater replacement?.
What's that powdery crust on the pipe connections at the water heater?.
What is the difference between a single element and dual element electric water heater?.
Is a catch pan and drain piping required for a replacement water heater?.
Does an electric water heater require a disconnect?.
Does a tankless water heater in an attic require a drain pan?.
Where do I find the water heater in a mobile home?.
Can I leave a gas water heater in place when remodeling a garage into a family room or bedroom?.
What does it mean when a water heater Temperature/Pressure Relief (TPR) discharge pipe is "trapped"?.
Why is there water in my water heater drain pan?.
When is a water heater drain pan required?.
Does a tankless water heater require a pressure relief valve?.
What is the difference between a manufactured/mobile home water heater and a regular water heater?.
Why do water heaters have a sacrificial anode?.
Does a tankless gas water heater still work with no electricity during a power outage?.
What is the purpose of a thermostatic mixing valve above a water heater?.
Can the temperature and pressure relief (TPR) valve discharge pipe for a mobile/manufactured home water heater terminate under the home?.
When was a gas water heater first required to be elevated 18 inches above a garage floor?.
Why should a tankless water heater have an isolator/service valve kit installed?.
Does a water heater need a shut-off valve?.
Why is the water heater older than the house?.
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What is the minimum clearance to doors and windows for an outdoor tankless gas water heater?.
Is it alright to have a shut-off valve on both the hot and cold water pipes at a water heater?.
Can you wire a 240-volt water heater with 120 volts?.
How can I tell if a water heater is HUD-approved for mobile/manufactured homes?.
Can you use a light switch for a water heater disconnect?.
Is the minimum size water heater inlet pipe 1/2" or 3/4" according to the building code?.
Where are gas water heaters not allowed to be installed?.
Can a Temperature and Pressure Relief (TPR or T&P) valve be mounted to discharge horizontally?.
Are water heaters required to be raised off the floor?.
Here’s links to a collection of more blog posts about WATER HEATERS: But a 30 inch by 30” level floor area is required by code at the front (service) side of the water heater per M1305.1.2 of the International Residential Code (IRC) and Residential Edition of the Florida Building Code (FBC).įor electric water heaters, see our blog post What is required clearance for access and working space in front of an electric water heater? The clearance at the sides, back, and above a gas water heater are specified by the manufactured in the installation manual, and they typically vary from zero to just a few inches.