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<blockquote data-quote="hxsarge" data-source="post: 197422" data-attributes="member: 13810"><p>90v sounds like some sort of feed back. did the old clock switch from hot water to hot water and heating?might be why your getting both outputs switched when you turn on HW. hope this helps. i did one a few weeks back, chnaged a 1970's super switch (???) to a boss 7 day programmer just had to remember the heating on switched the HW too, which isnt a problem on this job, might as well get a tank of water while the boiler fires, where as when the HW only was switched on it just opened the HW valve and the boiler just fired to fill the tank.</p><p></p><p><span style="font-size: 8px"><span style="color: #C0C0C0">---------- Post Auto-Merged at 23:27 ---------- Previous post was made at 23:25 ----------</span></span></p><p></p><p>oh just seen yplan.... doooohhhhhhhhh!</p></blockquote><p></p>
[QUOTE="hxsarge, post: 197422, member: 13810"] 90v sounds like some sort of feed back. did the old clock switch from hot water to hot water and heating?might be why your getting both outputs switched when you turn on HW. hope this helps. i did one a few weeks back, chnaged a 1970's super switch (???) to a boss 7 day programmer just had to remember the heating on switched the HW too, which isnt a problem on this job, might as well get a tank of water while the boiler fires, where as when the HW only was switched on it just opened the HW valve and the boiler just fired to fill the tank. [SIZE=8px][COLOR=#C0C0C0]---------- Post Auto-Merged at 23:27 ---------- Previous post was made at 23:25 ----------[/COLOR][/SIZE] oh just seen yplan.... doooohhhhhhhhh! [/QUOTE]
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