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44.4 A, 130 to 240 Deg F, SPST, 3/8" x 2-7/8" Sensing Element, Direct Vertical Well Immersion, Triple, High Limit, Aquastat Relay

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

Item#:
70783
Manufacturer Item:
L8124G1020/U
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120 VAC 50/60 Hz, 140 to 240 Deg F High Limit, Horizontal, Aquastat Relay

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

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120 VAC 50/60 Hz, 120 to 240 Deg F High Limit, Horizontal/Vertical, Aquastat Relay

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

Item#:
70813
Manufacturer Item:
L8148J1009/U
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4-5/16" x 3-1/8" x 6-1/8", 120 VAC 60 Hz, 255 PSI Immersion Well, Gas Media, SPST, Multi-Function, Hydronic Aquastat Relay

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

Item#:
70815
Manufacturer Item:
L8148E1299/U
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120 VAC 50/60 Hz, 180 to 240 Deg F High Limit, Vertical, Aquastat Relay

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

Item#:
70817
Manufacturer Item:
L8148E1265/U
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120 VAC, 24 VAC 50/60 Hz Coil, SPST, 2-Wire Control Circuit Terminal, AC Operated, Hydronic Switching Relay

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

Integral Transformer Provides Low Voltage Power For Control Circuit

Item#:
72527
Manufacturer Item:
RA89A1074/U
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120 VAC, 24 V AC 60 Hz Coil, SPST, 2-Wire or 3-Wire Control Circuit Terminal, AC Operated, Universal Switching Relay

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

Item#:
72529
Manufacturer Item:
R8845U1003/U
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120/240 VAC, 24 VAC 50/60 Hz 0.4 A Coil, 44.4 A, 5 W, DPST, 2-Wire Terminal, AC Operated, Hydronic Switching Relay

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

Item#:
72583
Manufacturer Item:
RA832A1066/U
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120 VAC 60 Hz 1-Phase, 12 A, Switching Relay with Outdoor Reset

Microprocessor-based control designed to regulate the supply water temperature of a single boiler, based on the outdoor temperature

The FuelMizer is a boiler reset control and switching relay in one unit

it is ideal for retrofit application, but may also be used in new installations. Its quality features include full outdoor boiler reset control: it can control the system or zone valve circulator or it can override outdoor reset when DHW tank is calling. Its easy to install and set and will not affect the boilers warranty. Front mounted LED lights offer full diagnostic information

The FuelMizers typical energy savings is about 14%, with some customers experiencing 30%

Item#:
83758
Manufacturer Item:
SR501-OR-4
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