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