it is rated for smoke control applications at temperatures up to 450

Precision Porting: Engineered for 1-5/8 inch ODS connections to maintain optimal flow velocity and reduce system noise

Don't guess on the job site

This switch is an OEM HH19ZH195 part

Bard 5650-048BX Plug L99H008 it is rated for smokeThe Bard 5650 048BX Plug is an OEM molded electrical connector designed for precise HVAC wiring integration within Bard wall mount air conditioners and heat pumps. This critical electrical harness component features 54 inch leads, providing the necessary reach for complex internal routing between control boards, fan motors, and power distribution blocks. The robust molded construction ensures a secure, vibration resistant terminal connection that