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making it ideal for deep vacuum pulls and critical system charging
With an accuracy of +/- 2% of full scale
providing reliable protection against heat exchanger breaches or venting obstructions that cause flames to escape the combustion chamber
DGAT) that require an L180F-30 rated control
York 3400-3151 Limit Switch making it ideal for deepThe York S1 3400 3151 Limit Switch is a critical safety component designed for high limit thermal protection in residential and commercial HVAC systems. This OEM replacement part is engineered to monitor furnace plenum temperatures, specifically calibrated with an open point of 175F and a close point of 125F. As an automatic reset limit switch, it eliminates the need for manual intervention once temperatures return to safe operating parameters.
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