the ST05-2-03 is a 2-way model

though this can be field-adjusted using Belimo PC-Tools or the ZTH handheld tool

Can this be used on a 120V system

Operational Efficiency: Restores optimal "normally closed" or "normally open" functionality

The Danfoss 193B-1533 is a robust 1-inch FNPT 4-way brass valve designed for precision fluid control in hydronic heating and cooling systems

Amana-Goodman 0150M00026 Wheel 320788-703 the ST05-2-03 is a 2-wayThe Amana Goodman 0150M00026 Wheel is a high performance HVAC blower wheel designed for maximum efficiency in residential furnaces and air handlers. Engineered with a 6 5 16 inch diameter and an 8 1 8 inch width, this CW rotation blower fan ensures consistent airflow across your heat exchanger or evaporator coil. This genuine OEM Goodman replacement part features a precise 1 2 inch bore (hub size) for a secure fit on standard motor shafts. By