• An immersion type liquid-filled sensing element actuates (2) snap switches
• (1) 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 on select models
• All adjustments accessible inside front cover
• Push-in terminals for quick connecting
• 1-sensing element for easy installation
• (2) SPST snap switches act independently at respective temperature settings
• 3" insulation depth
• 360 VA transformer load ignition electrical ratings
• High limit, low limit and/or circulator controllers used to regulate boiler water temperature in gas- or oil-fired hydronic heating systems

C322-4A