Water heater blanket
This is a somewhat controversial topic in the Home Inspection industry, especially as some local energy codes may require a blanket. A few things to keep in mind:
1) The listing of the appliance requires that the various labels be visible, people rarely bother to cut the blanket to expose them.
2) If not properly installed the blanket may interfere with air flow to the draft hood, if it slips down it may obstruct movement of combustion air to the burners, it may also interfere with the operation and inspection of control and safety devices.
3) According AO Smith modern water heaters do not need an insulation blanket
4) And a retro-fitted the blanket may actually decrease efficiency
So if you do install a blanket, you want make sure it’s installed in compliance with the manufacturer's instructions, and inspect it regularly for slippage or damage.
Home Inspections, Infrared (Thermal Imaging) Leak Identification and Inspection Services, Roof, Attic, Building, Basement and Foundation Moisture Intrusion and Water Leak Inspections, Troubled Building Consultations - Serving Chicago and Suburbs
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Last edited by Michael Thomas; 11-15-2011 at 01:44 PM.