Pros, Join Our TradeMaster Program!
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
Low Limit
Height:
3-7/8"
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!
Closed Now: Phone Hours
Monday – Thursday
8am–7:45pm ET
Friday
8:30am–7:45pm ET

1 Video

    3 Product Reviews

    Product Q&A

    Add-on Item

    This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.

    Why don't we show the price of this item?

    We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

    To see the price, simply add the item to your cart or sign in.