Watts SAN50 - Manual

IS-N50D
Wiring and Replacement Float
Switch for Low Water Cut-offs
Installation Instructions
N50D
UL Listed
N101S or N101D
With 2 1 ⁄ 2 "
side tapping
N501D
Same as N50D
with 2 1 ⁄
2
"
side tapping
Replacement Float and Switch Assemblies
Interchangeable in Watts Low Water Cut-offs
Watts float and switch assemblies are furnished to provide a complete new low water cut-off, less the float chamber, and are recom-
mended for field servicing of such units. They can be quickly installed without changing existing piping and eliminate the possibility of
disturbing factory adjustments. The complete one piece unit not only facilitates installation but also assures the user of receiving lat-
est, up to date construction.
SAN89D
Maximum steam pressure 15 lbs. Complete assembly facilitates maintenance
and inventory by being interchangeable in No. N89D and No. N101D.
SAN89S
Same as above, but furnished with single switch assembly for No. N89S
and No. N101S.
SAN50D
Maximum boiler pressure 50 lbs. Complete assembly facilitates servicing by being
interchangeable in all previous Series N50 and N501D.
SAN50S
Same as above, but furnished with single switch assembly for N50S and N501S.
When required for manual reset models, specify SAN50SM for N50SM and N501SM.
SAN89D or
SAN89S
SAN50D or
SAN50S