Includes precision-machined brass LP orifices for accurate BTU input control

ensuring systematic HVAC maintenance standards are met for long-term operational reliability

providing versatile application across various duct sizes

Can I use this switch on a VFD output

While designed for RS series sensors

Johnson Controls A19BBC-4 Utility Thermostat 30067439-890 Includes precision-machined brass LP orificesThe Johnson Controls A19BBC 4 Utility Thermostat is a rugged, SPDT temperature control designed for heavy duty HVACR applications, including cooling towers, refrigeration units, and unit heaters. Engineered with a stainless steel coiled sensing element, this mechanical thermostat operates without the need for external power, making it a reliable choice for process temperature control in demanding environments. It supports high capacity electrical