Key Benefits: Precision Control: High-tolerance 4-8 psi range ensures accurate response to pneumatic signals for stable temperature regulation

For vertical installations

the TKO refrigeration oil test offers immediate visual confirmation: a purple result indicates safe oil

Precision Calibration: Optimized for room set point calibration and adjusting 5/64 size hex fasteners in confined HVAC housings

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

Lochinvar & A.O. Smith 100167445 Valve Key Benefits: Precision Control: High-toleranceThis 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