Dwyer Boiler Water Level Control, Series 123/125
Images are representations only.

123-153

Series: Series 123/125 Boiler Water Level Control Brand: Dwyer Instruments, LLC

DWYER Water Level Control, Cast Iron Chamber, SPDT Mercury Switch.

Price
$1,990.00 CAD
Stock
50+ In Stock
Request Information

  • Switch Type - SPDT Mercury

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

Documentation

Data Sheets

Approvals

Catalogs

Manuals

View Product Series

Similar SKUs

125-4821
125-4821
Series 123/125 Boiler Water Level Control
Dwyer Instruments
$304.00 CAD
50+ In Stock
DWYER Water Level Control, Cast Iron Chamber, SPST Mercury Switch, Opens on Decrease.
123-2
123-2
Series 123/125 Boiler Water Level Control
Dwyer Instruments
$1,621.00 CAD
50+ In Stock
DWYER Water Level Control, Cast Iron Chamber, SPST Mercury Switch, Closes on Increase.
123-3
123-3
Series 123/125 Boiler Water Level Control
Dwyer Instruments
$136.00 CAD
100+ In Stock
DWYER Water Level Control, Cast Iron Chamber, SPST Mercury Switch, Opens on Increase.
125-4820
125-4820
Series 123/125 Boiler Water Level Control
Dwyer Instruments
$2,541.00 CAD
25+ In Stock
DWYER Water Level Control, Cast Iron Chamber, SPST Mercury Switch, Closes on Decrease.
123-7000-153
123-7000-153
Series 123/125 Boiler Water Level Control
Dwyer Instruments
$2,518.00 CAD
100+ In Stock
DWYER Water Level Control, Cast Iron Chamber, SPDT Snap Switch.
123-804
123-804
Series 123/125 Boiler Water Level Control
Dwyer Instruments
$2,306.00 CAD
100+ In Stock
DWYER Water Level Control, Cast Iron Chamber, DPDT (2 SPDT) Mercury Switches.
AP-153-37
AP-153-37
Series AP Diaphragm Operated Pressure Switch
Dwyer Instruments
$1,223.00 CAD
11 In Stock
DWYER Diaphragm Operated Pressure Switch, Range 1-30 psig (.07-2.1 bar), SPDT Mercury Switch, Low Deadband 0.4 psig (0.03 bar), High Deadband 0.75 psig (0.05 bar), Max. Pressure 60 psig (4.14 bar).
AP-153-33
AP-153-33
Series AP Diaphragm Operated Pressure Switch
Dwyer Instruments
$2,040.00 CAD
50+ In Stock
DWYER Diaphragm Operated Pressure Switch, Range 10" Vac-50" W.C. (2.5-12.4 kPa), SPDT Mercury Switch, Low Deadband 5" W.C. (1.2 kPa), High Deadband 6" W.C. (1.49 kPa), Max. Pressure 15 psig (1.03 bar).
show more