C24, C25, Boiler and Water Column Liquid Level Switches0 pages

C24, C25, Boiler
and Water Column
Liquid Level Switches

DESCRIPTION
C24, C25, Boiler and Water Column Liquid Level
Switches are single or multi-switch units that offer versatility and reliable operation in a variety of applications.
Available with up to three switch mechanisms for level
alarm, control, and shutdown functions, the boiler and
water column controls are designed for use in steam
boiler applications while the Models C24 & C25 are for
general industrial use.

FEATURES
• Easy inspection of float chamber through
removable head
• Cast iron or fabricated steel float chambers
• 316 and 316L stainless steel floats
• Brass chamber liner standard in B24, B25, W24, and
W25 models
• Right or left hand water column mounting
• Try cock tappings and sight glass tappings available
• Process temperature to +1000° F (+538° C)
• Multiple switch capability
• Working steam pressure to 600 pounds
• Choice of switch mechanisms:
Pneumatic
Hermetically sealed
Dry contact
• Choice of switch mechanism enclosures:

APPLICATIONS
• Condensate receiver control
• Flash tank high level alarm
• Water tube boiler low water cutoff

NEMA 1 carbon steel for pneumatic

• Boiler steam chest high level alarm

TYPE 4X/7/9 Class I, Div. 1, Groups C & D,
polymer coated aluminum

• Boiler feedwater pump control
• Day tanks

TYPE 4X/7/9 Class I, Div. 1, Group B,
polymer coated aluminum
• Optional high temperature insulation available.
See bulletin 41-106.

• Boiler low water cutoff
• Holding tanks