Armstrong 10W77

Armstrong 10W77 is a premium valve TXV designed for precise refrigerant control in HVAC systems. The Armstrong valve TXV W/ck (R22) delivers reliable modulation for legacy R22 circuits, helping maintain steady evaporator temperatures and efficient energy use. Built for durability and easy service, this component fits seamlessly into compatible refrigeration and air‑conditioning applications.

Designed for easy installation and long service life, the 10W77 supports consistent superheat control and reduced compressor cycling. Its robust construction withstands demanding operating conditions while preserving system efficiency. Ideal for retrofits or new installations that require compatibility with R22 refrigerant.

• Precise flow regulation: Thermostatic expansion valve action delivers accurate superheat control for consistent cooling.
• R22 refrigerant compatibility: Engineered to perform reliably in legacy R22 systems.
• Durable construction: Heavy‑duty materials resist vibration and environmental wear.
• Easy installation: Compact, straightforward mounting for retrofit or new installations.
• Low maintenance: Designed for long‑term operation with minimal service intervals.