HW L8124A1007/U

Aquastat® Relays

L8124 Triple 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
• Provides multi-zone control by using a separate circulator
  and R845 Relay for each zone
• Includes diaphragm powerhead and Micro Switch assembly
  that respond to temperature changes in boiler water
• Mounts directly to boiler
• Select models include large transformers and extra terminals
  for supplying power to low voltage zone valves
• Requires 24VAC thermostat with heat anticipator set at 0.2 A
  (plus current draw of gas valve on L8124E)
• Maximum ambient temperature: 150°F (66°C) at switches,
  265°F (129°C) at sensing element
• Operating range:
• High limit: 130° to 240°F adjustable (54° to 116°C Adjustable)
• Low limit: 110° to 220°F adjustable (43° to 104°C Adjustable)
• Differential temperature:
• High limit: 10°F fixed
• Low limit: 10° to 25°F adjustable
• Tradeline models include tube of heat conductive compound and range stops
• UL Listed, CSA certified

L8124A High & Low Limit & Circulation Aquastat® Relay

• Provides multi-zone control by using separate circulator
  and R845 relay for each zone; high limit protection, low limit and circulation control