Product Description This Kit is all you need to keep your Wood Boiler running like the day you bought it! Typical Applications Water boilers Features 1x10 oz. tube of Black RTV Silicone 1 Gallon of Protech 300 Boiler treatment that treats 300 gallons of water 7 Feet x1 inch Fire rope for the door These parts should be replaced yearly ***To Install Fire rope simply pull out old fire rope, scrap the area clean, apply bead of silicone in the channel and add rope. Yes it is that easy!***