Precise Modulating Control: Supports 0-10 Vdc actuator and 4-20mA control signals for stable

This part is the designated updated version for the 033199-0539 and fits the same 3/8" ODF piping specifications for a direct drop-in replacement

Common Questions: Is this valve suitable for air or gas service

Using a life-safety actuator for standard modulation can lead to premature wear and code violations

Manual override lever allows for system flushing or emergency operation on normally closed models

Reznor 62594 Ring 321894-706 Precise Modulating Control: Supports 0-10The Reznor 62594 Inlet Venter Ring is a critical OEM replacement part engineered specifically for gas fired unit heaters and precision industrial heating systems. Designed to sit at the air intake interface of the venter motor, this venter ring serves as the primary seal to prevent air bypass and ensure optimal combustion airflow. By maintaining a pressurized air path, it stabilizes the induction process, allowing for consistent fuel to air ratios and