Mcdonnell & Miller 354141 Long Barrel Probe 30067439-890 Flexible Orientation: Versatile hole patterns

Flexible Orientation: Versatile hole patterns allow for internal or external duct mounting to accommodate tight spatial constraints

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

60" WC application

using the S1-025-38951-000 is critical to maintaining factory-spec resistance levels

Optimized Airflow: Engineered blade pitch delivers consistent CFM

Mcdonnell & Miller 354141 Long Barrel Probe 30067439-890 Flexible Orientation: Versatile hole patternsThe 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