Description
This is a brand new OEM Honeywell upgraded Aquastat Limit Switch. It replaces the part numbers listed below.
Function:
A limit switch is a safety device designed to shut down a piece of equipment.
Limits have a set point, which is in some cases, adjustable. The set point prevents the temperature or pressure from exceeding the rating of the switch.
Replaces Old Part #s:
L409B L409D L410-1 L410A L438A L138A
Repair Difficulty Level:
Partial List of Units that Use This Item:
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