Features & Benefits

• Immersion Type Controllers that Combine High Limit Protection with Low Limit and Circulator Control in Forced Hydronic Heating Systems
• Provide Multi-Zone Control by Using a Separate Circulator and R845 Relay for Each Zone
• Include Diaphragm Power Head and Micro Switch Assembly that Respond to Temperature Changes in Boiler Water
• Mount Directly to Boiler
• Select Models Include Large Transformers and Extra Terminals for Supplying Power to Low Voltage Zone Valves

Specifications

• Type: Multi-Function, Triple
• Switch Type: SPST (High Limit)
• Overall Dimensions: 4-3/8 Inch Width x 3-1/16 Inch Depth x 6-1/8 Inch Height
• Input Supply Rating: 120 Volt AC 60 Hertz
• Temperature Rating: 130 to 240 Deg F (High Limit)
• Pressure Rating: 200 PSI (Immersion Well)
• Media Handled: Hot Water
• Inclusions/Features: High Limit Protection, Low Limit and Circulation Control, Diaphragm Powerhead, Micro Switch Assembly
• Application: Domestic Hydronic Heating System
• Applicable Standard: UL, CSA
• Insulation Depth 3 Inch
• Mounting Position Vertical
• Connection Type Quick-Connect/Screw
• Humidity Rating 0 to 95 Percent RH (Non-Condensing)
• Differential Temperature 10 Deg F High Limit (Fixed), 10 to 25 Deg F Adjustable (Low Limit)
• Ambient Temperature 150 Deg F (Case)/265 Deg F (Sensing Element)
• Burner/Circulator Electrical Rating 7.4 Amp at 120 Volt AC/3.7 Amp at 240 Volt AC (Full Load), 44.4 Amp at 120 Volt AC/22.2 Amp at 240 Volt AC (Locked Rotor)