this diaphragm-operated regulator is built with a rugged zinc housing and a balanced poppet design to ensure rapid response and pinpoint accuracy across a broad flow spectrum

plastic pneumatic tubing

What is the primary difference between this and the 415 Gold Label

While the sensor is included

Key Benefits for Contractors Precise Thermal Calibration: Fixed 185-215°F range ensures the system operates within manufacturer-specified safety limits to prevent heat exchanger overheating

Lochinvar & A.O. Smith 100109899 Tube 322027-701 this diaphragm-operated regulator is builtThe Lochinvar & A. O. Smith 100109899 Air Tube is a critical 12 inch OEM replacement part designed to ensure precise atmospheric regulation within high efficiency water heaters and boilers. For service technicians, maintaining the integrity of the combustion air intake is non negotiable for system safety and operational longevity. This specialized 12" air tube facilitates the optimized delivery of air to the burner assembly, mitigating issues related