A.O. Smith BTH 150 - Pressure Switches

A. O. Smith Water Products Company Service Handbook
Irving, Texas 2000© Training Department
32
PRESSURE SWITCHES
Blocked Inlet
N.C. Opens
at:
Blo
w
Prover
Close
s
BTH 120 966 -1.0 0.4
5
BTH 120 967 -2.0 0.4
5
BTH 150 960 - 0.4
2
BTH 150 962 -0.75 0.4
5
BTH 150 966 -1.6 0.4
5
BTH 150 967 (Prop.) -1.6 0.4
5
BTH 199 960 - 0.4
2
BTH 199 962 -0.76 0.4
5
BTH 199 966 -0.77 0.4
5
BTH 199 967 (Prop.) -2.0 0.4
5
BTH 250 962 -0.95 0.4
3
BTH 250 966 -0.77 0.4
5
N.C. = normally closed
N.O. = normall
y
open
Inches
Model Series