Buy now! $1,119.53CAD
Dwyer

123-7000-153 Boiler Water Level Controller

Water level controllers with a heavy-duty, cast iron chamber designed for boiler applications

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$1,119.53CAD
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123 7000 153 Boiler Water Level Controller 05186
The Series 123 & 125 Boiler Water Level Controls are designed for boiler applications, the 123 is primarily used for low water cut-off or feed-water control. Other applications include condensate tanks and deaerators. 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. The 125 offers the same long lasting service with a direct action mercury switch movement that provides a close deadband where needed.
 

• Special snap action switch mechanism options eliminates frequent operation due to surging water level
• Transparent cover provides convenient visible operation of the switch
• Flanged chamber for easy clean out and replacement of float or switch mechanism without removing the unit from piping

ServiceCompatible liquids. Cast iron is not for use with lethal or flammable substances either liquid or gaseous
Wetted MaterialsBody: Cast iron.
Float: 304 SS.
Trim and packing gland: Brass.
Packing: Carbon.
Body gasket: Carbon
Temperature LimitAmbient Temperature: 212°F (100°C);
Process Temperature: 365°F (185°C)
Pressure Limit150 PSIG (10.34 Bar)
Enclosure RatingGeneral purpose. Optional weatherproof
Switch TypeSPDT snap switch or mercury switch. Optional DPDT or two stage
Electrical RatingSnap switch: 15 A @ 120/240/480 VAC, 0.5 A @ 120 VDC resistive, 0.25 A @ 240 VDC resistive.
Mercury switch: 4 A @ 120 VAC/DC, 2 A @ 240 VAC/DC
Electrical ConnectionsScrew terminal
Conduit Connection7/8 in (22.23 mm) hole for 1/2 in12.7 mm) conduit
Process Connections1 in female NPT
Mounting OrientationVertical
DeadbandApproximately 1-1/2" (38.1 mm)
Specific Gravity0.88 min
OptionsManual reset
Weight20 lb (9.1 kg)
Agency ApprovalsCSA, UL. (Snap switch is not rated)

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

  • Thumbnail of document Manual - 123-7000-153 Boiler Water Level Controller
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    Manual - 123-7000-153 Boiler Water Level Controller

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  • Thumbnail of document Data Sheet - 123-7000-153 Boiler Water Level Controller
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    Data Sheet - 123-7000-153 Boiler Water Level Controller

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