Pressure Switches - A.O. Smith BTH 120 Service And Parts Manual

Model Series
BTH 120 966
BTH 120 967
BTH 150 960
BTH 150 962
BTH 150 966
BTH 150 967 (Prop.)
BTH 199 960
BTH 199 962
BTH 199 966
BTH 199 967 (Prop.)
BTH 250 962
BTH 250 966
N.C. = normally closed
N.O. = normally open
A. O. Smith Water Products Company
Irving, Texas 2000©

PRESSURE SWITCHES

Inches
Blocked Inlet
N.C. Opens Prover
at: Closes
-1.0
-2.0
-
-0.75
-1.6
-1.6
-
-0.76
-0.77
-2.0
-0.95
-0.77
32
Blow
0.45
0.45
0.42
0.45
0.45
0.45
0.42
0.45
0.45
0.45
0.43
0.45
Service Handbook
Training Department