Watts 0559116 Valve 30067439-890 causing flames to "roll out"

causing flames to "roll out" toward the burners instead of entering the heat exchanger cells

This OEM Trane fan blade features a 26-inch diameter and a 30-degree pitch

F closing threshold

The Carrier 48TJ500070 Fan Guard Grill is a critical OEM replacement part designed specifically for commercial rooftop units and industrial air handlers

Watts 0559116 Valve 30067439-890 causing flames to "roll out"As a veteran tech, you know that consistent tempering is critical for both safety and code compliance. The Watts 0559116 (Series LFMMV UT M1) is a 1 2" NPT thermostatic mixing valve designed for precision across residential and commercial domestic hot water systems. Engineered with a lead free copper silicon alloy body, this unit utilizes a solid wax hydraulic principle thermostat to maintain mixed water temperatures within 3F, even under fluctuating