Formulated for high-performance HVAC pneumatic control

this gauge provides the reliable data necessary for balancing complex pneumatic loops and maintaining optimal system performance

Utilizing OEM-spec elastomer materials

this 1/3 HP motor delivers a consistent 1115 RPM

reducing the need to carry multiple conversion SKU variants

Lochinvar & A.O. Smith 100110389 Burner Assembly 320074-702 Formulated for high-performance HVAC pneumaticMaintain peak combustion efficiency with the Lochinvar & A. O. Smith 100110389 Burner Assembly. This genuine OEM replacement burner is engineered specifically for natural gas systems, featuring a precision calibrated #21 orifice to ensure the exact manifold pressure required for stable ignition and heat transfer. In the field, burner degradation often leads to flame failure alarms or soot accumulation on the heat exchanger; replacing a warped or