Functional Devices RIBMN24S-4T Relay 326058-756 The Nordyne 903458 Piezo Ignitor

The Nordyne 903458 Piezo Ignitor is a critical OEM replacement part engineered for reliable pilot ignition in residential gas furnaces

providing maximum field flexibility for building automation and industrial control systems

and the old cartridge replaced with a new A-4000-121 element for the next diagnostic check

For custom installations

the RLY1040 maintains precise system timing and equipment sequencing

Functional Devices RIBMN24S-4T Relay 326058-756 The Nordyne 903458 Piezo IgnitorThe Functional Devices RIBMN24S 4T is a high density, track mounted relay assembly designed for professional HVAC control systems and building automation applications. This pre assembled unit includes four independent SPST pilot relays snapped into a 2. 75 inch x 6 inch MT212 6 mounting track, providing a compact footprint for complex panel builds. Each relay features a 15 amp contact rating and a universal 24Vac dc coil, ensuring seamless integration