640-000-062 | Kit-S Therm-Rely Bx Wall-Mount | Weil McLain Product Type_Front Door Furnace Key Features: Enhances combustion efficiency 381-330-020 Brand_Safe Signal Sprinkler With advanced electronic circuitry

640 000 062 Kit S Therm Rely Bx Wall Mount Weil McLain Product Type_Front Door Furnace Key Features: Enhances combustion efficiency 381 330 020 Brand_Safe Signal Sprinkler With advanced electronic circuitry Key Features: Enhances combustion efficiency for reduced fuel consumption and lower emissions Venturi nozzle design ensures precise air to fuel ratio control Durable construction for reliable performance in demanding environments Easy installation and maintenance Applications: Industrial and commercial heating systems Burners and boilers HVAC systems Maximize the efficiency and performance of your heating system with the ECO WM97+155 Venturi Vlv Assy from Weil McLain including toolholding