Xylem MM 244B Series 42S Replacement Snap Switch Assembly - Manual (Page 2)

2
Verify that you have the Correct Replacement Switch Assembly Model
Model SWA-42S
P/N 310488
IMPORTANT:
•
Installation of an incorrect switch-assembly could cause damage to the boiler and/or boiler system.
• Modification of the switch assembly before or after installation could cause damage to the boiler
and/or boiler system.
• Series 42S Replacement Snap Switch Assemblies are not interchangeable with Series 42 Mercury Switch
Replacement Assemblies.
• Series 42S Replacement Snap Switch Assemblies are not interchangeable with Series 150S Snap Switch Replacement
Assemblies, nor with Series 150 Mercury Switch Replacement Assemblies.
For Model Repl. Switch
Model No.
Description
42S
42S-A
SWA-42S Snap-action
42S-N switch assembly
42S-HD