Normally Closed SPST Switch: Provides standard logic for safety strings in modern HVAC control circuits

The Laars R0021300 Transformer is a critical electrical component designed for precision voltage step-down in hydronic heating systems

Direct OEM Interchange: Provides a perfect electrical and mechanical match for part 7-193500-01

1/3 HP belt drive blower motor engineered for high-demand HVAC ventilation systems

Precise OEM Specifications: 29-inch diameter ensures full coverage and easy alignment with existing mounting points on Trane and American Standard outdoor units

Greenheck SP-B150 Exhuast Fan R-22 Normally Closed SPST Switch: ProvidesThe Greenheck SP B150 is a heavy duty, direct drive ceiling exhaust fan engineered for high performance ventilation in residential and light commercial environments. Operating at 115V 60Hz 1Ph, this unit delivers a variable airflow range of 92 to 160 CFM, making it a reliable solution for bathrooms, hotels, and multi family housing. Built with a galvanized steel housing and a forward curved centrifugal wheel, it maintains efficient static pressure