Prior to mid 2002, the 720210 brass
top mount adaptor came with a 1-1/4” riser pipe socket that used the # 300740
distributor “cup” as a seal, and a # 400075 tank O-ring. The brass top mount
adaptor made after 2002 (no change in part number) has a 1-1/2” socket with a #
300741 O-ring, and uses the # 400080 tank O-ring.
When replacing valves on older
tanks, (or re-bedding the tank) it is important to note the size of the
manifold pipe, and/or the seal on the tank adaptor. The two sizes of pipe look almost alike, but the 1.25” pipe will
not seal in the newer adaptors. A miss match here will cause the water to
by-pass the resin bed, and the tank will not produce soft water. Likewise the
larger pipe will not go into the older adaptor, and the distributor cone will
be crushed if this miss-match is not noted. It is also important to match the
proper tank O-ring to the tank adaptor.
We
currently have (5) 1-1/4" Manifold assemblies with bills in the system:
703023-2 no length in the description / 6' pipe
703045 for 71" tank / 6' pipe
703008-1.25 for 54" tank / 4'
pipe
703025 for 62" tank / 5' pipe
703034 for 40" tank / no BOM
We
currently have (2) 1-1/2" Manifold assemblies with bills in the system:
703008 for 54" tank / 4' of
1.5" pipe
703006 for 65" tank / 6' of
1.5” pipe ( this part is normally used in all bills, and is cut to fit per
application)
The TMIII tank adaptor #720215 is identical to the late 720210, except
it is made of stainless steel.
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