or steam leaking from the pilot exhaust or bellows housing

or set-screw loosening which can lead to shaft scoring or "walking

this CW blower wheel is designed to spin clockwise when viewed from the motor end

intermittent starting

this 20A 600V fuse is specifically cross-referenced for multiple York

Siemens Industrial Controls 3TX7110-5BC03C Relay 323080-701 or steam leaking from theThe Siemens Industrial Controls 3TX7110 5BC03C Relay is a heavy duty 24VDC 15Amp SPDT Relay designed for critical switching applications in industrial automation and HVACR control circuits. This plug in relay features a basic 5 pin square base configuration, engineered for high cycle reliability with a contact rating capable of handling up to 20A at 120 240VAC. Built for the rigors of field service, the unit utilizes a SIRIUS power relay architecture