ProBuilder 36 Clean Face Millivolt

Heating Capacity: Up to 1,150 Sq. Ft.
BTU Input Per Hour: 13,000 (NG) 12,000 (LP) to 25,000 (NG) 24,000 (LP) – 48-50% Turndown
Steady State Efficiency: Up to 82.66% (NG), 84.06% (LP)
EnerGuide P4 Efficiency: 73.77% (NG), 75.33% (LP)
Glass Viewing Area: Tempered Glass, 30-1/8″ W x 26-1/8″ H, 780 Sq. In.