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Takagi TKJR tankless waterheater code 21

Hal Raymond -

My Problem

It was preventing my house from heating.

My Fix

Very well. I read other comments to similar problems, watched some videos and jumped right in.

My Advice

Be sure to have the operators manual troubleshooting guide, order your parts, get your tools and don't be afraid to get in there and do the work.

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One Comment

Don't be afraid to try.

Hal Raymond - Reply

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