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Posted by K.Devine on October 05, 2006 at 22:09:06:
I have a 1963 old Thatcher Furnance Co. "PG" Series Gas Steam Boilers. Over the years I have replaced many of the parts and the system runs great. However this year I have been having trouble with the old Honeywell Transformer. The Old Honeywell Part reads:
"I did a cross reference on Honeywell old part site".
AT30C 1005 1
O.C. 25V 20 VA
120V 50-60CY
My question can I replace this part with a Honeywell AT72D-1683 Transformer which has a 40VA Ouput. Or do I need to buy a 20 VA Transformer.