Blaze King Princess Insert

The Princess Insert is a high efficiency wood fireplace insert, (86% LHV efficiency, 80% HHV), and will burn up to 1/3 less wood to heat your home thus lowering your heating costs. The built in thermostat allows you to regulate the heat output at a constant rate even during a power outage.


Performance (LHV) Performance (HHV B415)
Maximum heat input 413,567 BTU’s 413,567 BTU’s
Efficiency 86% 80%
Constant Heat output on High 39,519 BTU’s/h for 9 hours 36,762 BTU’s/h for 9 hours
Constant Heat output on Low 13,173 BTU’s/h for up to 27 hours 12,254 BTU’s/h for up to 27 hours
CO% Weighted Average 0.22%
Square Feet Heated 1500 – 2500
Maximum Log Size 20” (recommended 16”)
Burn Time Up to 27 hours on low
Emissions (grams/hour) 2.0 g
Firebox Size 2.54 cu. ft.