This replacement blower assembly eliminates the guesswork of sourcing individual components by providing a drop-in solution that handles both the air-gas mixing and forced induction necessary for the heat exchanger

As a balanced port hard shut-off TXV

this switch monitors the pressure differential generated by the draft inducer motor

ensuring secure fitment and reliable throughput

Itron-Actaris B42R-1 1/4 Regulator R-22 This replacement blower assembly eliminatesThe Itron Actaris B42R 1 1 4 Regulator is a spring loaded, self operated unit designed for precise pressure control in light commercial gas systems and residential applications. Engineered with a 1 1 4 inch NPT connection and an internal relief valve (IRV), this model is built for natural gas pressure regulation where safety and high flow capacity are critical. It features a 1 2 x 9 16 inch orifice and a 6 16 inch water column spring (dark green),