Refrigerant Compatibility: Fully rated for high-pressure R-410A refrigerant applications

Is this the correct part for a 4-inch venting setup

Is the Reznor 135981 compatible with all Reznor unit heaters

Technicians usually identify a burner crossover issue during "lazy" ignition or when specific burners fail to light despite a functional igniter

Does the valve need to be removed from the line for installation

Browning BK55H Sheave 320735-701 Refrigerant Compatibility: Fully rated forThe Browning BK55H Sheave is a precision engineered single groove cast iron pulley designed for heavy duty power transmission. With a 5. 25" outside diameter and a 5. 0" datum diameter for B belts (4. 6" for A belts), this sheave provides reliable performance in industrial HVACR systems. It is specifically manufactured for use with H Series split taper bushings, ensuring a secure, concentric fit on the drive shaft that minimizes vibration and extends