Mcdonnell & Miller 354141 Long Barrel Probe 30067439-890 It is commonly used in

It is commonly used in legacy HVAC zoning system repairs where multiple SPDT contact closures are required from a single 24V source

adjustable mounting bracket that ensures flexible alignment and secure installation within electrical enclosures

60" WC application

What happens if the sensor fails

charcoal filters are strictly disposable

Mcdonnell & Miller 354141 Long Barrel Probe 30067439-890 It is commonly used inThe McDonnell & Miller 354141, also identified as the PA 800 U Long Barrel Probe, is a critical sensing component engineered for high performance water level detection in commercial and industrial HVACR applications. This extended barrel probe is designed specifically for use with the PS 801 U 120 and PS 802 U 24 low water cut off (LWCO) series. As a veteran technician knows, maintaining precise conductivity levels is essential for boiler safety; this