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leak-free installation by qualified technicians
Is the S1-025-27747-013 compatible with all York furnaces
Enhanced System Safety: Monitors 24V signals to trigger a hard lockout
critical for restoring the safe operating parameters of high-efficiency heating units
ignition lockouts
Lochinvar & A.O. Smith 100109951 Pressure Switch 340155-7026 leak-free installation by qualified techniciansWhen you are troubleshooting a pressure switch failure on a high efficiency hydronic system, the Lochinvar & A. O. Smith 100109951 is the specific OEM replacement part required to restore precise combustion air pressure monitoring. This air pressure switch is factory calibrated for the BTN 200 366 series water heaters and boilers, ensuring that the blower is moving sufficient air for safe ignition. As a normally open (NO) switch with a set point of 2.
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