Dwyer 123-7000-153 Offers

Features

• A special snap action switch mechanism eliminates frequent operation due to surging water level
• A transparent cover provides convenient visible operation of the switch
• Features a flanged chamber for easy clean out and replacement of float or switch mechanism without removing the unit from piping
• Offers the same long lasting service with a direct action snap switch movement that provides a close deadband where needed

• Service: Compatible liquids. Cast iron is not for use with lethal or flammable substances either liquid or gaseous
• Wetted Materials: Cast Iron Body
• Float and Trim: 304 SS
• Packing Gland: brass
• Packing: carbon
• Body Gasket: carbon
• Temperature Limit: 365°F (185°C)
• Pressure Limit: 150 psig (10.34 bar)
• Enclosure Rating: General purpose. Optional weatherproof
• Switch Type: SPDT snap switch Optional DPDT or two stage
• Electrical Rating: Snap Switch: 15A @ 120/240/480 VAC, 0.5A @ 120 VDC resistive, 0.25A @ 240 VDC resistive. Snap Switch: 4A @ 120 VAC/DC, 2A @ 240 VAC/DC
• Electrical Connections: Screw terminal
• Conduit Connection: 7/8" (22.23 mm) hole for 1/2" (12.7 mm) conduit
• Process Connections: 1" female NPT
• Mounting Orientation: Vertical
• Specific Gravity: 0.88 minimum

• Weight: 20 lb (9.1 kg)
• Agency Approvals: UL and CSA (snap switch is not rated)
• Deadband: Approximately 1-1/2" (38.1 mm)

• Boiler Low Water Cut-Off
• Boiler Feed-Water Control
• Condensate Tanks
• Deaerators