Browning 3VX850 Belt 318973-401 the Trane MOT17166 comes with

the Trane MOT17166 comes with the integrated variable speed controller designed to interface with your existing HVAC control board

Can I clean the pilot orifice instead of replacing the whole unit

Clean all surfaces of oil and debris

How do I verify if the 1320447 switch is faulty

specifically models like the AH2E and AH4E

Browning 3VX850 Belt 318973-401 the Trane MOT17166 comes withThe Browning 3VX850 is a high performance 3VX Section Cogged V Belt designed for demanding HVACR and industrial drive applications. Engineered with a 3 8" top width and an 85" outside circumference, this narrow profile V belt provides superior power density compared to standard classical belts. The EPDM construction ensures a broad operating temperature range from 60F up to 250F, making it suitable for rooftop air handlers and high heat mechanical