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?.
What is required clearance for access and working space in front of an electric water heater?.
Whirlpool age of water heater windows#
Whirlpool age of water heater serial number#
To determine the age of another manufacturer/brand of water heater, go to How do I determine the age of my water heater?Also, see our blog posts How can I determine the age of a water heater if the serial number is missing or decoding it is impossible? and What are the most common installation mistakes with water heater replacement? and Are water heaters required to be raised off the floor? and What's that powdery crust on the pipe connections at the water heater? Newer units also have the date listed near the serial number and, in the example shown below, there is a minor 2-day difference between the them. So 0215 18H2008455 indicates the water heater was manufactured on February 15, 2018. First two digits are the month, and 3rd and 4th are the day. The 5th and 6th digits of the serial number are the year of manufacture of a Westinghouse water heater.
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