This NOVA SIT 0.820.303 MV generator gas control safety valve is a reliable and essential component for your central furnace. Made of high-quality aluminum, it is durable and long-lasting. This unit has a slow opening feature that ensures a steady and efficient gas flow to your furnace. It is compatible with NOVA brand products and is designed to meet the highest standards of safety and performance. This valve is easy to install and comes with a 1-year manufacturer warranty. Trust in the expertise of NOVA and SIT to provide you with a top-quality gas valve that will keep your furnace running smoothly.