As a critical furnace replacement part

The Spence Engineering 05-05003-00 Orange Spring is a critical component for technicians maintaining Spence D-Pilot and D5 pressure reducing pilots

The hub is located on the intake (or inlet) side

Improved Drive Efficiency: Maintains consistent belt tension and tracking

York 031-00808-000 Suppressor Els PW 17895 As a critical furnace replacementMaintain the integrity of your control circuits with the York 031 00808 000 Suppressor. This genuine OEM RC network is engineered to mitigate the high voltage transientsoften referred to as inductive kickbackthat occur when 120VAC contactor coils or inductive loads are de energized. By snubbing these voltage spikes, the 031 00808 000 prevents arc over at the switching contacts and shields sensitive solid state relays and PLC output modules from