Armstrong 71K11

Armstrong 71K11 is a premium SPST pressure switch designed for HVAC and industrial control applications. The LB-90973A SPST Pressure Switch features a 1/4" connection and a precise.75 W.C. setting for reliable pressure regulation.

Engineered for dependable performance, this Armstrong switch delivers quick response, stable switching, and excellent repeatability in challenging environments. It blends seamlessly with standard control panels and is compatible with common HVAC systems, water networks, and fluid control setups. The compact design minimizes installation space while maintaining durability and long service life, making it an ideal choice for tight installations in commercial and residential projects.

• SPST (single-pole, single-throw) operation for straightforward control
• 1/4" connection for easy integration with standard pipelines
• Setpoint at .75 W.C. for precise pressure regulation
• LB-90973A model compatibility with Armstrong control systems
• Rugged enclosure and reliable electrical contacts for long-term use

Choose the Armstrong 71K11 for dependable, compact, and accurate pressure switching in HVAC, industrial, and fluid-control applications. Order now to ensure consistent system performance and peace of mind.