This HVAC mixing tube is compatible with Maxitrol modulation valves and is a standard requirement for Series 14 and Series 20 control logic where precise environmental management is mandatory

3-phase motor configuration designed for standard North American commercial power grids

Its ball-bearing design supports long-term reliability in high-cycle environments

ensuring electrical and mechanical synchronization with existing Trane HVAC systems

this genuine OEM replacement is rated at MERV 11

Lochinvar & A.O. Smith 100208090 Grommet 320734-701 This HVAC mixing tube isThe Lochinvar & A. O. Smith 100208090 Grommet is a critical OEM replacement part designed to provide a secure, airtight seal where the gas pipe penetrates the appliance cabinet. Engineered for high temperature resilience, this rubber grommet for gas pipe applications prevents air leakage and protects the supply line from vibration induced chafing against sharp metal edges. This specific component is frequently utilized in commercial water heaters and