57W88 | R40086B001 ORIFICE (GRAY) .81 | Lennox

.81 Orifice for Lennox Furnaces (57W88) The 57W88 orifice is a genuine Lennox replacement part designed to regulate the flow of gas in Lennox gas furnaces. It is specifically engineered with a precise .81 orifice size to ensure optimal gas flow for efficient combustion. Crafted from high-quality materials, this orifice offers durability and resistance to corrosion, ensuring long-lasting performance. It is compatible with a wide range of Lennox furnaces, providing a reliable solution for maintaining optimal gas flow and combustion efficiency. Installing the 57W88 orifice is straightforward and can be completed by qualified technicians. It plays a crucial role in ensuring the safe and efficient operation of your Lennox gas furnace, maximizing heating performance and reducing the risk of malfunctions. Our HVAC supply store is your trusted source for genuine Lennox replacement parts. We offer competitive prices and fast shipping, ensuring you get the parts you need quickly and affordably. Shop now to keep your Lennox furnace operating at its best!