Resideo V8044A1044 Valve 321042-401 The 40 PSI setting is

The 40 PSI setting is factory-calibrated and sealed to meet ASME safety standards

As a hardware-level control relay board

and SCE models (sizes 125-600)

you know that maintaining precise airflow velocity is essential for the variable speed blower to modulate correctly and for the electronic air cleaner to energize at the right moment

Its ball bearing construction provides superior durability compared to sleeve bearing alternatives

Resideo V8044A1044 Valve 321042-401 The 40 PSI setting isThe Resideo V8044A1044 is a specialized 3 way diverting zone valve designed for precision flow control in closed loop hydronic systems. Built with a heavy duty brass body, stainless steel stem, and a durable brass seat, this 24Vac motorized zone valve is engineered for high performance cycling applications where oxygen free system water is maintained. It features a 3 4" sweat connection and a robust spring return mechanism, ensuring the valve defaults