Watts 0887120 Kit 30067439-890 Increasing wattage requires verifying that

Increasing wattage requires verifying that the existing wiring

the 1011850 serves as the critical airflow transition that connects the inducer to the heat exchanger

Are there specific model series this board supports

This trap is specifically designed for Lennox high-efficiency (90% AFUE and above) units

Balanced Valve Construction: Neutralizes the effect of inlet pressure variations

Watts 0887120 Kit 30067439-890 Increasing wattage requires verifying thatThe Watts 0887120 is a professional grade RK 909 CK1 first check repair kit engineered for 3 4" and 1" Reduced Pressure Zone (RPZ) backflow preventers. This factory replacement kit is designed specifically for the Watts Series 909 and Lead Free LF909 assemblies, providing a direct solution for maintaining the integrity of the first check station. As a direct replacement for legacy part numbers 881466 and RK909 CK1, this backflow preventer repair kit