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The RH PETERSON MCO-18 is an 18-inch Mountain Crest Oak replacement log set designed for vented gas burner systems. The set contains 6 hand-painted refractory ceramic logs molded from real wood samples to produce a realistic appearance. Each log includes internal steel rod reinforcement to maintain structural integrity under repeated high-temperature cycling. This log set is installed by gas appliance technicians or licensed contractors servicing residential gas fireplaces and is not a universal replacement — it is certified for use with specific vented burner configurations only.
This log set is intended for residential vented gas fireplace applications. It was specifically designed for use with the Peterson G31 burner, which is available with multiple valve options including match light (natural gas only), manual, millivolt, and electronic ignition. A vented burner and valve kit are required and are sold separately. These logs are not suitable for vent-free or ventless burner systems. Installation must follow the certified burner pairing to avoid fire hazard or carbon monoxide risk.
Specifically designed for the RH Peterson G31 burner with vented configurations. Compatible valve options for the G31 burner include match light (natural gas only), manual, millivolt, and electronic ignition. This log set is certified for use only with specific vented burners and is not compatible with vent-free or ventless burner systems. A vented burner and valve kit are required and sold separately.
Installation should be performed by a qualified gas appliance technician or licensed contractor familiar with vented gas fireplace systems. Shut off the gas supply completely before servicing or positioning log components. Log placement must follow the certified diagram for the paired G31 burner — incorrect positioning can affect combustion performance and safety. This set requires a vented burner; do not use with vent-free appliances. Local codes and the appliance manufacturer instructions govern final installation requirements.
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