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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Watchman Alarm for oil tank - fitting query
I purchased a Watchman Alarm a few days ago to fit to my oil tank.
My oil tank already has a pre-drilled hole with a sticker besides it saying 'Watchman Alarm' - unfortunately the hole is only 25mm wide so I would need to purchase a suitable 32mm hole-saw and make it larger. That's not a major problem, what concerns me is that the part of the tank where the pre-drilled hole is located is on a very slight curve (if I rest a level ruler on that surface that's the diameter of the alarm then the ruler has about a 1mm or 2mm gap under each far edge of the alarm diameter). This would cause a problem fitting the washer and the alarm - if the base is screwed down tight then the lower part of the alarm fitting will bent slightly and the main alarm unit won't screw in correctly (I haven't tried this, I'm basing this on assumption). The only suitable flat surface that I can see is the large 'bulges' that can be seen on most tanks - the plastic 'ribbing' if you like. The trouble is that these are higher than the fill point (not 'allowed' according to the Watchman instructions) and, due to their height, I'm not sure if the signal from the detector will reach into the tank correctly. What can I do, if anything? Thanks -- |
#2
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Watchman Alarm for oil tank - fitting query
On Jan 28, 2:40 pm, "Matt" wrote:
I purchased a Watchman Alarm a few days ago to fit to my oil tank. My oil tank already has a pre-drilled hole with a sticker besides it saying 'Watchman Alarm' - unfortunately the hole is only 25mm wide so I would need to purchase a suitable 32mm hole-saw and make it larger. That's not a major problem, what concerns me is that the part of the tank where the pre-drilled hole is located is on a very slight curve (if I rest a level ruler on that surface that's the diameter of the alarm then the ruler has about a 1mm or 2mm gap under each far edge of the alarm diameter). This would cause a problem fitting the washer and the alarm - if the base is screwed down tight then the lower part of the alarm fitting will bent slightly and the main alarm unit won't screw in correctly (I haven't tried this, I'm basing this on assumption). snip What can I do, if anything? shim it so its level when you tighten the screws? Jim K |
#3
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Watchman Alarm for oil tank - fitting query
"Matt" wrote in news:4d42d54b$0$12164
: What can I do, if anything? Wait 'till tomorrow when I can take a look at mine in the light and see how it's fitted then report back :-) -- All the best, Chris |
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