BSPT Version / Size ( British Standard Pipe Thread ) not NPT ( National Pipe Thread - used in USA ) Size.
Part Number 1001605 = One Pair of 1" I.D. Tubes, Large nuts, and Gaskets ( part # 54F ).
Used to connect to Autotrol Valves ( like 163, 168, 263, 268 ) directly or to any Autotrol By Pass. BUT Not in USA. Primarily used in U.K.
( 2 ) Gray PVC Tubes 1" I.D. piping size = Old PN 55F-6
( 2 ) Nuts 1 3/8" = Old PN 56F-4 or 156A38
( 2 ) Gaskets 1030541 = Old PN 54F or 54F-1 or really old PN 156A31
Only the Gaskets ( 54F, 1030541 ) are available separately.
Not the Nuts
Not the tubes
Sold only in this Kit with a pair of each item.
SPECIAL ORDER ITEM - 2 week Lead time before shipping this item after order placed.