New one on me

Anyone ever hear of a 'sight glass' on a 60 year old gas-fired hot air floor furnace > ? Wafo ??? Howso ???
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Yeah.... to see if the freakin pilot was lit.
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wrote:

No, no, no :-)
Not a view port, a 'glass tube'. As it's been described to me, anyway. The unit is a bit too far away to see from here ( California ).
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On Tue, 23 Nov 2010 20:37:52 -0500, .p.jm.@see_my_sig_for_address.com wrote:

Still a viewport, like a periscope used where there is no in line direct sight of the pilot and ignition.
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