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 24″ Fireside Realwood refractory cement log set (order hearth kit separately) $219.00 -Add to cart 24″ Campfire fiber gas log set with Stainless Steel Burner and hearth kit – 60,000 Btu/Hour Input (NG) $1,049.00 -Read more 24″ Smoky Weathered Oak Logs 7 pcs Set $529.00 -Read more