Burnham Boiler 6016066 Limit Switch but always verify with a

but always verify with a multimeter during installation to ensure proper 24V output

or improper venting pitch causing exhaust gases to back up into the stack

5 uF rating

McQuay 106694102 Reversing Valve

Burnham Boiler 6016066 Limit Switch but always verify with aThe Burnham Boiler 6016066 Limit Switch is a critical genuine OEM replacement part designed for high limit temperature protection in hydronic heating systems. This 200F manual reset limit switch acts as a fail safe, interrupting the burner circuit if the boiler water temperature exceeds the safe preset threshold. Unlike automatic reset controls, this 1 2" NPT mounted component requires manual intervention once tripped, ensuring that a technician can