R820-PCB-A01 | R820 Solid State Relay, 24 VAC Electronic PCB, 1 or 3 phases; replaces 021-0474 | Schneider Electric (Barber Colman) Type_K203 Subplate 4 Module * **3/4" Diameter x 4"

* **3/4" Diameter x 4" Length:** Fits industry-standard applications requiring a 3/4" diameter dowel pin

and pressure regulation

ensuring long-term operation in challenging environments

Does your gas water heater require a Service Tool Gas Control for Model TW4 50/65/S65FBN

With its versatile voltage compatibility and compact design

R820-PCB-A01 | R820 Solid State Relay, 24 VAC Electronic PCB, 1 or 3 phases; replaces 021-0474 | Schneider Electric (Barber Colman) Type_K203 Subplate 4 Module * **3/4" Diameter x 4"The R820 Solid State Relay from Schneider Electric (Barber Colman) is a versatile electronic PCB for 1 or 3 phases, offering reliable and efficient performance in industrial applications. Operating on a 24 VAC power supply, the R820 is designed to replace the 021 0474 relay, providing a direct and compatible upgrade. Key Features: Compact and robust construction for space saving and durable installation 24 VAC electronic PCB for consistent and