Broad Compatibility: Direct fit for McDonnell & Miller Series 21

Does this unit include the mounting bracket or hardware

Key Benefits Compatible with all Honeywell E3 Point gas detectors

providing essential protection for both natural gas and liquid propane furnace configurations

York 029-23454-000 Key 318423-701 Broad Compatibility: Direct fit forThe York 029 23454 000 is an essential OEM replacement part designed for technicians requiring precise access to York HVAC equipment and industrial enclosures. This 8mm triangular latch key is engineered specifically to engage and disengage the twist latch mechanisms found on chiller cabinets, electrical enclosures, and service panels. Unlike generic tools that can strip or deform the latch housing, this twist latch key ensures a secure fit,