Home / Brand / Kingsman / Vent Free Burner System – Millivolt Valve 40,000 BTU/HR Natural Gas “30″ Fireside Supreme Oak refractory cement log set (order hearth kit separately)” has been added to your cart. View cart Vent Free Burner System – Millivolt Valve 40,000 BTU/HR Natural Gas$972.00 In stock Vent Free Burner System - Millivolt Valve 40,000 BTU/HR Natural Gas quantity Add to cart SKU: FVFB350MVN Categories: Kingsman, Log Sets Tags: Gas Log Set, KING, Kingsman Additional information Additional information Brand Kingsman Related products 18″ Fireside Supreme Oak refractory cement log set (order hearth kit separately) $479.00 -Read more 30″ Fireside Supreme Oak refractory cement log set (order hearth kit separately) $559.00 -Add to cart 18″ Fireside Realwood refractory cement log set (order hearth kit separately) $179.00 -Read more