Johnson Controls A19ABA-4 Utility Thermostat 30067439-890 and 45-second hot surface ignition

and 45-second hot surface ignition systems

ensuring precise valve positioning and stable flow control

To adjust the RFS-4001-030

this specific Sterling part is engineered for the thermal profiles of Sterling and select Beacon Morris equipment

Leak Prevention: Unlike standard field-fabricated lines

Johnson Controls A19ABA-4 Utility Thermostat 30067439-890 and 45-second hot surface ignitionThe Johnson Controls A19ABA 4 Utility Thermostat is a rugged, single stage remote bulb temperature control engineered for high accuracy cycling in commercial refrigeration and HVAC systems. Designed with a liquid filled sensing element, this controller maintains precision "repeat" accuracy regardless of barometric pressure or cross ambient temperature fluctuations. The A19ABA 4 features a broad 120 208 240 Vac compatibility and SPST (Single Pole