a qualified technician must use a combustion analyzer to verify CO2/O2 levels and ensure a clean burn post-installation

The Trane WHL0496 Blower Wheel is a critical OEM replacement part designed for high-performance air handling in Trane and American Standard HVAC systems

up to 20x faster than traditional oil-filled sensors

Key Benefits Dual-Refrigerant Compatibility: Specifically calibrated for precise flow regulation in R22 and R407C HVACR systems

The inclusion of a 5/8-inch connector ensures compatibility with specific York and Guardian air handlers and cased coils

Mitsubishi Electric TAZ-MS303 Switch 328140-751 a qualified technician must useMaintain precise control and safety in your HVAC installations with the Mitsubishi Electric TAZ MS303 Switch. This heavy duty 3 pole motor starter is engineered specifically for isolating power between indoor and outdoor units in Mitsubishi mini split systems. Designed for professional grade reliability, it functions as a manual 600V disconnect switch capable of handling inductive loads up to 30 Amps. The rugged thermoplastic construction and side