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- 28 Oct 2005
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i have an old oil boiler system can i change my circulating pump from a bell&gossett 1/12 hp. 1725 rpm with a armstrong 816019-002 pump to a bell&gossett LR-15B (bronze) its 1/12 hp.3250rpm i cant seem to find the gpm or pressure difference the new system i want hook up is natural gas NTI TRINITY 200 it calls for a minimum flow of 8 (US GPM) TY.. THE BIRDMAN.