HZ42ST Regency Horizon TM Gas Fireplace 37INSTALLATIONINSTALLATIONGLASS CRYSTALS OR OPTIONAL CERAMIC STONESINSTALLATION ON BURNERGlass Crystals shown on BurnerFor Units HZ54, HZ42ST, HZ42 onlyOptional Ceramic Stones + Glass Crystals shown on burner.For Units HZ54, HZ42ST, HZ42 onlyGlass Crystals shown on BurnerFor units P33S, L676S, U32S, E33S onlyOptional Ceramic Stones shown on burner.For units P33S, L676S, U32S, E33S onlyBurner PackagesUnit Glass Crystals Ceramic Spa StonesHZ54 3 Bags 1 Bag Glass + 2 packages (140 spa stones)HZ42 2 Bags 1 Bag Glass + 1 packages (70 spa stones)HZ42 ST 2 Bags 1 Bag Glass + 1 packages (70 spa stones)L676S 1 Bag 1 package = (70 spa stones)**P33S 1 Bag 1 package = (70 spa stones)U32S 1 Bag 1 package = (70 spa stones)E33S 1 Bag 1 package = (70 spa stones)NOTE: 1 package contains 70 stones**Recommended - use only 50 of the 70 ceramic stones on the P33S burner.Evenly spread the supplied Glass Crystals or optional Ceramic Spa Stones over the burner. Ensure the crystals (or stones) do not overlap toomuch as this will effect the flame pattern.IMPORTANT NOTES:When installing, use either the supplied Glass Crystals or optional Ceramic Spa Stones - DO NOT combine the two.Only the supplied approved Cobalt Blue Glass or optional 70 pieces of Ceramic Spa Stone are to be used with this fireplace. Use of any other typeof glass crystals or stones can alter the unit's performance, any damage caused by the use of any unapproved glass or stones will not be coveredunder warranty.When using Ceramic Stones, DO NOT cover burner ports that lead to pilot fl ame. Ensure the crystals or stones do not excessively overlap as thiswill effect the flame pattern.