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Series 123/125 Boiler Water Level Control
Brand: Dwyer Instruments, LLCThe Series 23 & 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.
Features- 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
Displaying price & availability for United States in CAD Change Location
7 models matching criteria
DWYER Water Level Control, Cast Iron Chamber, SPST Mercury Switch, Closes on Increase.
50+ In Stock
$1,818.00CAD
Does not ship to United States
DWYER Water Level Control, Cast Iron Chamber, SPDT Snap Switch.
show more
- Switch Type - SPDT Snap
25+ In Stock
$352.00CAD
Does not ship to United States
DWYER Water Level Control, Cast Iron Chamber, DPDT (2 SPDT) Mercury Switches.
25+ In Stock
$2,065.00CAD
Does not ship to United States
DWYER Water Level Control, Cast Iron Chamber, SPST Mercury Switch, Closes on Decrease.
25+ In Stock
$272.00CAD
Does not ship to United States
25+ In Stock
$234.00CAD
Does not ship to United States
DWYER Water Level Control, Cast Iron Chamber, SPST Mercury Switch, Opens on Increase.
20 In Stock
$2,469.00CAD
Does not ship to United States
DWYER Water Level Control, Cast Iron Chamber, SPST Mercury Switch, Opens on Decrease.
16 In Stock
$945.00CAD
Does not ship to United States
Specifications
Brand
Approvals & Certifications
- CSA
- UL - Snap Switch is Not Rated
Conduit Connection
- 7/8” Hole for 1/2” Conduit Hub
Deadband
- 1-1/2” (38.1 mm)
Electrical Connectors
- Screw Terminal
Electrical Rating
- 0.25 A at 240 Vdc Resistive - Snap Switch
- 0.5 A at 120 Vdc Resistive - Snap Switch
- 15 A at 120/240/480 Vac - Snap Switch
- 2 A at 240 Vac/Vdc - Mercury Switch
- 4 A at 120 Vac/Vdc - Mercury Switch
Enclosure, Body Material
- Cast Iron
Environmental Protection
- General-purpose
- Weatherproof
Fluid Specific Gravity
- 0.8 is Min.
Gasket Material
- Carbon
Manual Reset
- Optional Manual Reset
Media
- Gas
- Liquids & Gases
NPT Connection
- 1” NPT Female
Packing Material
- Carbon
Pressure Range
- psig: 150 (bar: 10.3, kPa: 1,034)
Sensor Orientation
- Vertical
Switch Type
- DPDT
- SPDT
Temperature Range
- 0° to 185° C (32° to 365° F)
Trim Material
- Brass
Wetted Materials
- 304 Stainless Steel
- Boiler Low Water Cut-Off
- Boiler Feed-Water Control
- Condensate Tanks
- Deaerators
