The Master-Fit® Ultra-Low NOx BTL series complies with California SCAQMD Rule 1146.2 and other air quality management districts with similar NOx emission requirements of 14 ng/J or 20 ppm. For ease of installation, all BTL’s feature water connections on the top, front and rear.
Features and Benefits
How It Works
Application and Installation
Top Service Items
No Hot Water
Tripped ECO No High Limit Switch
Sequence of Operation