HVAC Refrigeration Guide — Rooftop Units

York HVAC Parts Field Guide

Jun 21, 2026

York parts field guide for HVAC techs — confirmed OEM replacements including the S1-6008081 condenser motor, S1-373-20830-001 inducer, and S1-THEC11NS thermostat, with diagnostic sequences and failure patterns.

Tags: Coleman, commercial HVAC, condenser fan motor, contactor, draft inducer, dual-run capacitor, Evcon, field guide, furnace lockout, HVAC diagnostics, HVAC technician, Johnson Controls, Luxaire, OEM replacement parts, pressure switch, residential HVAC, rooftop units, run capacitor, S1-373-20830-001, S1-6008081, S1-THEC11NS, Source 1, thermostat, York, York OEM parts

Daikin-McQuay Parts Field Guide

May 17, 2026

A field guide to the most common Daikin-McQuay failures — control boards, condenser fan blades, freeze stats, and NTC sensors — with diagnostic tables, misdiagnosis traps, and stocking recommendations for professional HVACR technicians.

Tags: Commercial HVAC, Condenser Fan Blades, Control Boards, Daikin-McQuay, Freeze Stats, HVAC Parts, HVACR Technicians, NTC Sensors, Rooftop Units, Troubleshooting