as well as ammonia (NH3) applications

a new 1720 safety magnet must be ordered separately whenever you replace the valve body

Interchangeable Parts: Direct cross-reference for the 394801-30/U

ensuring seamless mechanical and electrical compatibility during field repairs

maintaining the UL listing and safety integrity of the original equipment

Robertshaw 780-746 Universal Module 30067439-890 as well as ammonia (NH3)Integrating a Robertshaw 780 746 Universal Lockout Module into your service routine is a tactical move for reducing truck stock. This intermittent pilot ignition control is engineered for high performance flame rectification, featuring solid state logic for precise automatic sequencing. Designed for 24V AC systems, it provides a 45 second prepurge cycle to ensure combustion chambers are clear before ignition trial. The unit handles a total current