The Danfoss 117U series is specific to the motor type and capacitor configuration of the SC frame

As an OEM replacement part from Johnson Controls

Designed for 2-pipe high-volume output systems

it features a high-temperature porcelain insulator and a durable stainless steel rod tip to withstand the harsh environment of the burner assembly while ensuring rapid flame detection during the crucial four-second proving window

If your service manual calls for the older 1012351 number

Belimo K-LM16 Clamp The Danfoss 117U series isThe Belimo K LM16 Clamp is a specialized mechanical accessory engineered for precise air flow control in commercial HVACR systems. Specifically designed for non spring return actuators within the LMB, NMB, and AMB series, this 5 8 inch standard clamp provides a rigid, slip free connection to damper shafts. As a veteran technician, you know that actuator shaft compatibility is non negotiable for maintaining BAS system integration and ensuring