Description
Product Description
McDonnell & Miller – 153900
Specifications
- For boilers of any steaming capacity
- For mounting in 2-1/2″ NPT boiler side tappings
- Insertion lengths available in 1316 – 41/8″ (30-105mm)
- Packless bellows
- Adjustable BX outlet for easy installation
- Dual precision switches for dependable operation of the low water cut-off and an alarm or electric water feeder
- Optional low voltage switches for self-generating millivolt circuits
- Maximum steam pressure 20 psi (1.4 kg/cm2)
- For residential and commercial low pressure steam boiler applications
Additional Information
ApplicationSteam Boilers
SwitchDual Precision Switches
Max Pressure (PSI)20 (Steam)
TypeFloat-Style
Insertion Length4-1/8″
Reset TypeAutomatic
Mount2-1/2″ NPT Boiler Side Tappings
Electrical Ratings (AFL)7.4 A @ 120 VAC3.7 A @ 240 VAC
Electrical Ratings (ALR)22.2 A @ 240 VAC44.4 A @ 120 VAC
Pilot Duty Rating125 VA
Diameter (Inches)4-1/8″
Length9-1/2″
Connection TypeThreaded
Thread Size2-1/2″
