Description
High limit, low limit and/or circulator controllers used to regulate boiler water temperature in gas- or oil-fired hydronic heating systems.

Features
  • An immersion type liquid-filled sensing element actuates two snap switches.
  • One switch operates as a high limit control.
  • The other switch operates as a low limit and/or circulator control, depending on the model.
  • Controller may be mounted in any positioning and needs no leveling.
  • Separate, easy-to-read, calibrated dial and setpoint adjustments for each switch.
  • Differential adjustment on low limit or circulator switch.
  • All adjustments accessible inside front cover.
  • Push-in terminals for quick connecting.
  • Single sensing element for easy installation.
  • One SPST and one SPDT snap switches act independently at respective temperature settings.

Read more
Specs
Application:
Low Limit
High Limit
Height:
3-7/8"
Application:
Low Limit
Width:
4-1/8"
Depth (Inches):
2-3/4"
Max Temp (F):
240°F
Min Temp (F):
110°F
Differential:
Fixed
Adjustable
×
Questions?
Speak with a real person who will go out of their way to help!
Call us 1-888-757-4774 Open Now:
Monday – Wednesday
8am–7:45pm EST
Thursday
8am–5:45pm EST
Friday
9am–4:45pm EST
1 Video

    2 Product Reviews

    Product Q&A