This relay is typically used for diverting a single supply line to one of two branch lines

Restores System Safety: Facilitates proper low water cut-off functionality to protect the boiler from dry-firing conditions

0550-inch diameter)

the HH84AA021 is the official OEM equivalent and provides the same form

this specific assembly is calibrated for natural gas pilot burner applications

Carrier LH660011 Control Board Els PW 17895 This relay is typically usedThe Carrier LH660011 Ignition Control Board is a critical OEM replacement engineered for precise sequence management in Carrier furnace ignition systems. As a primary 24V HVAC control module, this board regulates gas valve timing, spark ignition, and flame sensing to ensure reliable combustion cycles and system safety. Designed to support both 50Hz and 60Hz frequencies, the LH660011 integrates seamlessly into the Carrier PG8HAA series and other