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Video is very informative. Dont work on alot of these or have anyone else in the company who knows much about these. Might have just saved me a call to tech support. Thanks
How come tech support for viessman can’t tell me what the voltage is that goes from the board to gas valve . Vitomens 100-w
Great video sir many thanks for uploading
Video is very informative. Dont work on alot of these or have anyone else in the company who knows much about these. Might have just saved me a call to tech support. Thanks
How come tech support for viessman can’t tell me what the voltage is that goes from the board to gas valve . Vitomens 100-w
Great video sir many thanks for uploading