Johnson Controls A19 Series Automatic Changeover with Strap-On Mounting

Automatic Changeover with Strap-On Mounting
A19 Series

This is a changeover control for use with combination heating and cooling thermostats.
This control automatically selects the correct thermostat function.
Select a link under the "item" tab below to order.
maximum case ambient temperature: | 131°F (55°C) | ||
maximum bulb temperature: | 250°F (121°C) |