How do I know if my Lochinvar 100277765 Thermal Switch has tripped

Built by Genteq (model 5KCP39DFAF57S)

Technicians should verify the furnace model number and serial number against the parts list to confirm the specific collector box revision required

specifically the B1-RS model

Simplified Maintenance: Integrated manual override lever allows technicians to manually open the valve for system testing or maintenance

Conbraco 19-KFEA-100 Valve R-410A How do I know ifThe Conbraco 19 KFEA 100 is an industrial grade ASME Section I steam pressure relief valve engineered for power boiler applications and high pressure steam systems. This 1" MNPT inlet x 1 1 4" FNPT outlet valve is factory set at 100 PSI, providing a discharge capacity of 1,798 lbs hr. Built with a rugged brass trim and a high performance Teflon (PTFE) seat, it ensures a positive seal and resistance to scale buildup. The National Board certified design