The 571110LF-345 serves as the direct lead-free replacement for the discontinued 571110-345 model

Key Benefits High-Efficiency Performance: Delivers an 11

provided the mechanical valve body matches the coil’s mounting stem

or if you see a diagnostic code indicating a pressure switch circuit error

Key Benefits Precise OEM Fit: Specifically balanced for 10

Resideo PV075S Eliminator 321042-401 The 571110LF-345 serves as theThe Resideo PV075S Eliminator is a high performance 3 4 inch sweat power vent designed for critical air management in hydronic heating systems. Engineered for efficient microbubble removal, this unit utilizes an internal stainless steel concentric coalescing medium to break surface tension and release trapped air from the system fluid. By maintaining a deaerated system, the PV075S prevents oxygen related corrosion and ensures optimal heat transfer