Forum Discussion
Old-Biscuit
Sep 13, 2017Explorer III
There are 2 filler valves
* 1 1/4" NPT threaded style---used on LARGE BULK tanks (Less common)
* 3/4" NPT threaded style-----used on MH tanks etc (Standard size)
BOTH have the SAME 1 3/4" ACME thread connection


There are Several fill valve adapters
* 1 1/4" NPT threaded style---used on LARGE BULK tanks (Less common)
* 3/4" NPT threaded style-----used on MH tanks etc (Standard size)
BOTH have the SAME 1 3/4" ACME thread connection


There are Several fill valve adapters
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