this motorized mixing valve maximizes energy efficiency and thermal stability across the entire stroke

It is designed for Danfoss/Secop TF

Reduced Callbacks: Using factory-authorized parts prevents fitment issues and ensures the system operates at its original design specifications

built to handle pressures up to 250 psi

Lennox 25W78 Insert 318518-761 this motorized mixing valve maximizesThe Lennox 25W78 NOx Insert is a critical combustion component engineered specifically for Lennox gas furnaces to reduce nitrogen oxide emissions. Designed for high efficiency heating systems, this OEM Lennox replacement part ensures that the burner assembly maintains optimal fuel to air ratios for a cleaner, more environmentally compliant burn. Constructed from heavy duty steel to withstand high temperature furnace environments, the 25W78 insert