The Honeywell L8124L1011 is a triple aquastat control for oil burners that combines high limit protection with low limit and circulator control. It is used on systems that include domestic water control, commonly referred to as "summer/winter hookup".

Features:

• Immersion type burner controls that combine high limit protection with low limit and circulator control.
• Provides multizone control with the addition of a R845 relay for each additional zone
• Requires a 24 volt space mounted thermostat for each zone.
• Immersion element mounted in 1/2" or 3/4" well (121371A or B - sold separately)

Specifications:

• Description:                         Triple Aquastat relay for  high limit, low limit and ciruclator control
• Mounting:                              Horizontal
• Switching Action:                 High and Low Limits  - SPST
• Electrical Rating:                 120VAC 60Hz
• Burner/Circulator:                120VAC 
• Thermostat Circuit:              24VAC
• Dimensions:                          4 3/8 H x 6 1/8 W X 3 1/16 Deep (in inches)
• Setpoint Ranges:                 High Limit: 130 to 240  Low Limit: 110 to 220 deg F
• Differential Ranges:             High Limit:  10 deg fixed   Low Limit: 10 to 25 adj.