Johnson Controls A19ADB-22 Utility Thermostat 30067439-890 and 45-second hot surface ignition

and 45-second hot surface ignition systems

Common Technical Questions What is the maximum input voltage for the PSP24DA

With a NEMA 1 protection rating and a manual operating lever for rapid system flushing and commissioning

You must rotate the stem to open the service port for gauge access

000V secondary output ensures positive ignition even with heavier fuel oils

Johnson Controls A19ADB-22 Utility Thermostat 30067439-890 and 45-second hot surface ignitionAs a seasoned HVAC technician, you know that reliability in high limit safety is non negotiable. The Johnson Controls A19ADB 22 Utility Thermostat is a professional grade remote bulb temperature control designed specifically for demanding industrial and commercial applications requiring a dependable manual reset. Featuring a wide 90? F to 325? F temperature range, this SPST (Single Pole, Single Throw) controller is engineered to provide a high limit