The Honeywell S443A1007 Manual Rheostat with DPDT Toggle Switch is a versatile control device that allows for precise adjustments and management of HVAC systems. This potentiometer has a resistance of 135 ohms and allows users to fine-tune control signals, making it perfect for applications that require precise temperature management or varied control. The S443A1007, which includes a ... https://www.usapoolshop.com/s443a1007-honeywell-rheostat-135-ohm-180-dpdt-switch