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

Direct Plug-and-Play: Features a standard 1/4-inch male spade electrical terminal for quick connection to the existing wiring harness

Is the spring replaceable in the 61-100 series

The BASO Y75AA-3 Flame Sensing Probe is a high-performance flame rectification sensor designed for precise flame detection in intermittent pilot ignition (IPI)

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

Greenheck SP-B150 Exhuast Fan R-22 The Laars R0021300 Transformer isThe 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