This genuine York replacement part ensures HVAC pressure switch compatibility and maintains the original equipment’s operating parameters

code-compliant installation of Intermatic Grasslin timers in environments like mechanical rooms or control cabinets where panel mounting isn't an option

For vertical installations

A failed ignitor often triggers a "3-trial" lockout

Lochinvar & A.O. Smith 100167445 Valve This genuine York replacement partThis genuine Lochinvar and A. O. Smith 100167445 Air Vent Valve is a critical component for maintaining hydraulic stability in high efficiency heating systems. As a direct replacement for the RLV30000 and RLV2023, this valve is engineered to eliminate entrained air from the heat exchanger, preventing oxygen related corrosion and ensuring consistent heat transfer. It is specifically designed for integration with Lochinvar Knight XL KBN399 800 and FTXL