this is a mechanical barometric damper

the 550002611 is the OD Drive Board

Key Benefits Universal Compatibility: Interchanges seamlessly with TRR01558 and multiple legacy Trane part numbers

What mounting configurations are possible with this unit

using the correct Schneider Electric (Barber Colman) 20-693 tube assembly is essential for maintaining accurate thermal response

Laars Heating Systems T2015600 Tile 322057-301 this is a mechanical barometricThe Laars Heating Systems T2015600 Right Tile with Sight Hole is a high grade refractory tile designed for the combustion chambers of Laars Pennant boilers and Mighty Therm2 series water heaters. This critical heat exchanger component is engineered to withstand extreme thermal stress, protecting the internal jacket and structural integrity of the unit from direct flame impingement. Specifically configured for the right hand side of the combustion