Lochinvar & A.O. Smith 100109951 Pressure Switch 340155-7026 its wrot copper construction is

its wrot copper construction is specifically designed for brazing in ACR applications and is compatible with standard silver-bearing alloys

ignition lockouts

Enhanced System Safety: Monitors 24V signals to trigger a hard lockout

This 1/2" backflow repair kit includes a complete second check assembly and a high-performance cover O-ring to facilitate a seamless field service without the need for specialized tools

Lochinvar & A.O. Smith 100109951 Pressure Switch 340155-7026 its wrot copper construction isWhen 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.