PRODUCT DATA
60-2105-07
L4081A,B and L6081A,C
Multiple Aquastat® Controllers
APPLICATION
The L4081 and L6081 Aquastat® Controllers provide boiler
water regulation in gas- or oil-fired hydronic heating
systems.
FEATURES
• An immersion type liquid-filled sensing element actuates
two snap switches.
• One switch operates as a high limit control.
• The other switch operates as a low limit and/or circulator
control, depending on the model.
• Controller may be mounted in any positioning and needs
no leveling.
• Separate, easy-to-read, calibrated dial and setpoint
adjustments for each switch.
• Differential adjustment on low limit or circulator switch.
• All adjustments accessible inside front cover.
• Push-in terminals for quick connecting.
• Single sensing element for easy installation.
• Two spst snap switches (one spst and one spdt in
L6081A,C) act independently at respective temperature
settings.
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