OEM Standards: Manufactured to specific tolerances for York S1-9951-0981 compatibility

Designed as a direct drop-in for the Cecilware L042A

When performing annual maintenance or replacing an ignitor

Always verify the HVAC part number in the specific unit's parts manual to ensure the resistance curve matches the 10k or 20k ohm specifications of the board

a multimeter should show 0 ohms (closed) across the terminals

Belimo ZDB-TF Rotation Limiter OEM Standards: Manufactured to specificThe Belimo ZDB TF Rotation Limiter is a critical mechanical accessory for technicians requiring precise field adjustment of the stroke on Belimo TF Series actuators. Engineered for mechanical angle of rotation limiting, this galvanised steel component allows you to restrict the actuator's travel when the full 95 stroke is not required for specific damper or valve applications. By utilizing the built in end stop, contractors can set defined limits