magaoitin t1_j6n1e41 wrote
If you can see the pipe, you can insulate it. there are no setbacks or gaps you need to worry about. You can even go so far as wrapping the entire water heater with an insulation blanket and sealing your pipe insulation to the tank wrap.
https://www.amazon.com/Insulation-FIBERGLASS-Certified-Satisfaction-Guaranteed/dp/B0041871AY
Tank wraps are more for older, less efficient tanks, or if they are in unconditioned spaces.
CletusDSpuckler t1_j6nb7hf wrote
My brand new tank specifically says an insulating wrap is not needed and voids the warranty.
magaoitin t1_j6otyi3 wrote
Yea 99% of the new tanks out there do not need any additional insulation on the tank. All of the energy efficiency requirements that have to meet put them in a much different category than even a tank that is 10 years old. It's the pre-2000 tanks that have been well maintained and are still working that can benefit from a tank wrap.
UEmd OP t1_j6n3cbj wrote
Many thanks. The tank is very new and feels rather cool, so internally insulated as per the diagrams I have seen.
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