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Frequently Asked Questions (FAQ) about Gas Water Heaters

Tuesday, August 29, 2023

Here’s links to a collection of our blog posts about GAS WATER HEATERS:

Are water heaters required to be raised off the floor? 

Where are gas water heaters not allowed to be installed?  

When was a gas water heater first required to be elevated 18 inches above a garage floor? 

Can I leave a gas water heater in place when remodeling a garage into a family room or bedroom? 

What is an FVIR water heater?

What is the difference between a regular water heater and a direct vent water heater? 

What is the difference berween a regular water heater and a power vent water heater? 

• • • • • • • • • • • • • • • • • • • • • 
Field Guide for Home Inspectors, a quick reference for finding the age of 154 brands of HVAC systems, water heaters, and electrical panels, plus 210 code standards for site-built and manufactured homes, and the life expectancy rating of 195 home components. Available at amazon.com for $19.95.
• • • • • • • • • • • • • • • • • • • • • • 

What is backdrafting at a gas water heater? 

How do I determine if a water heater is gas or electric?

What does it mean when a gas appliance (water heater, furnace, or range) has been "red tagged"? 

• What are the special code requirements for installation of a gas water heater in a garage?

• How much clearance is required around a gas water heater? 

 Is it safe to sleep in a room with a gas water heater?

• Can you install a gas water heater in a bedroom? 

Can you install a gas water heater in a bathroom?

• Can you install a gas water heater in a closet? 

When were gas water heaters first required to be FVIR (Flammable Vapor Ignition Resistant)?

Does a tankless gas water heater still work with no electricity during a power outage? 

What is the minimum clearance to doors and windows for an outdoor tankless gas water heater? 


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