Siemens Building Technology 410455828 Cover R 448A This part is indexed for This part is indexed for use in residential hvac systems and allows for a plug and play restoration of the blower circuit without the need for field splicing or custom rigging that can compromise electrical integrity The Bard HVAC 8402 093BX Thermal Cutoff is a critical safety component designed for wall mounted HVAC units to prevent damage from excessive heat It is a standard service part for technicians working on HVAC control systems where SKB (20mm stroke) and SKC (40mm stroke) actuators are utilized to manage globe or pressure independent control valves This is the plastic cover only