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This harness is primarily used in Lochinvar Knight models ranging from 399 to 801 MBH and various A
reducing intermittent lockouts
This part serves as the direct replacement for the 762649 spring
check your technical manual for exact mounting specs
Always verify the rotation of your existing blower wheel before installation
Resideo ZD22X18TZ Damper 322838-754 This harness is primarily usedThe Resideo ZD22X18TZ is a professional grade parallel blade zone damper designed for precision airflow control in multi zone HVAC systems. Constructed with a heavy duty galvanized steel frame, this 22" W x 18" H unit utilizes a synchronous motor mounted on the 18 inch side for reliable operation under high static pressure conditions. As a power closed spring return open model, it ensures air delivery remains uninhibited in the event of a power loss,
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