Immersion Type Controllers that Combine High Limit Protection with Switching Relay Control of Burner and Circulator Motors

High Limit Opens Burner Circuit Only

Select Models Include Transformer and Accessory Terminals for Adding a Remote Low Limit Controller

Immersion Type Controllers that Combine High Limit Protection with Switching Relay Control of Burner and Circulator Motors

High Limit Opens Burner Circuit Only

Select Models Include Transformer and Accessory Terminals for Adding a Remote Low Limit Controller

Case Available for Horizontal or Vertical Mounting

Requires a 24 Volt AC Thermostat with Heat Anticipator Set at 0.2 Ampere

Trade Line Models Include Well Adapter, Tube of Heat Conductive Compound and Range Stops

Immersion Type Controllers that Combine High Limit Protection with Switching Relay Control of Burner and Circulator Motors

High Limit Opens Burner Circuit Only

Select Models Include Transformer and Accessory Terminals for Adding a Remote Low Limit Controller

Case Available for Horizontal or Vertical Mounting

Requires a 24 Volt AC Thermostat with Heat Anticipator Set at 0.2 Ampere

Trade Line Models Include Well Adapter, Tube of Heat Conductive Compound and Range Stops

Immersion Type Controllers that Combine High Limit Protection with Switching Relay Control of Burner and Circulator Motors

High Limit Opens Burner Circuit Only

Select Models Include Transformer and Accessory Terminals for Adding a Remote Low Limit Controller

Case Available for Horizontal or Vertical Mounting

Requires a 24 Volt AC Thermostat with Heat Anticipator Set at 0.2 Ampere

Trade Line Models Include Well Adapter, Tube of Heat Conductive Compound and Range Stops

Provides Intermediate Switching of a Line and Low Voltage Devices from a Line or Low Voltage Controller and is Typically Applied in Hydronic Heating Systems

Replaceable Socketed Relays

Two Troubleshooting LED

Replaceable Transformer Fuse

Push to Test Button

Low Voltage Contact Rating for PowerPile Applications

Long Life DC Relay Drive Control Technology

Provide Intermediate Switching of a Line Voltage Device from a Low Voltage Controller

Integral Transformer Provides Low Voltage Power For Control Circuit

Immersion Type Controllers that Combine High Limit Protection with Low Limit and Circulator Control in Forced Hydronic Heating Systems, Including Domestic Hot Water Service

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

Require 24 Volt AC Thermostat with Heat Anticipator Set at 0.2 Amp (Plus Current Draw of Gas Valve on L8124E)

Tradeline Models Include Tube of Heat Conductive Compound and Range Stops

Integral Transformer Provides Low Voltage Power for Control Circuit

The RA832A is a DPST Relay, One Relay Pole is Designed for Low Voltage or Millivoltage (PowerPile) Auxiliary Load, Two Other Relay Poles are for Line Voltage Loads