Whether performing a new installation or a field retrofit

an open circuit or resistance significantly outside the manufacturer’s specification (typically 40-75 ohms at room temperature for carbide) indicates a failure

to ensure clean combustion

This flue collector box is engineered specifically for the Lennox G40

Can I use this 40VA transformer to replace a 30VA model

Trane VAL8595 TXV 324846-701 Whether performing a new installationThe Trane VAL8595 is a high performance 4 ton thermostatic expansion valve engineered specifically for R410A refrigerant systems. This OEM expansion valve features a 5 16" ODM inlet and a 1 2" ODF outlet, providing a precise refrigerant metering solution that maintains stable superheat across varying load conditions. Designed as a direct replacement for the legacy part number VAL8595 (now often documented as VAL08595), this valve utilizes a non