Rheem-Ruud 42-21571-08 Relay

24V SPST N/O Relay

Rheem-Ruud 42-21571-08 Relay – 24V SPST N/O Control Relay for HVAC Systems

The Rheem-Ruud 42-21571-08 Relay is a high-performance 24V SPST (Single Pole Single Throw) Normally Open control relay engineered for use in residential and commercial HVAC applications. Designed for reliability and compatibility, this OEM relay ensures dependable system operation and is trusted in Rheem and Ruud heating and cooling equipment.

🔧 Key Features:

• Coil Voltage: 24 VAC

• Frequency: 50/60 Hz

• Contact Configuration: SPST (Single Pole Single Throw)

• Contact Type: Normally Open (N/O)

• Terminal Type: 1/4 in. quick connect terminals for easy installation

⚙️ Electrical Ratings:

• Full Load Amps (FLA):

  • 12A at 120V

  • 8A at 230V

  • 7A at 277V

• Locked Rotor Amps (LRA):

  • 60A at 120V

  • 48A at 230V

  • 42A at 277V

✅ Benefits:

• Genuine OEM Rheem/Ruud replacement part

• Ensures proper functionality in compatible systems

• Supports consistent operation of fan motors, compressors, and control circuits

• Simple plug-in installation with quick-connect terminals

⚠️ Important Installation Notice:

This HVAC relay should only be installed by qualified service professionals. Improper installation or use may result in electrical hazards, including fire, electric shock, or equipment damage. Always consult the product manual and adhere to manufacturer guidelines.

⚠️ California Proposition 65 Warning:

This product contains materials known to the State of California to cause cancer and reproductive harm. For more information, visit P65Warnings.ca.gov.

📦 Product Specifications:

• Model: 42-21571-08

• Brand: Rheem / Ruud

• Control Type: SPST N/O Relay

• Voltage: 24V AC

• Frequency: 50/60 Hz

• Application: HVAC Systems

• Connection Type: 1/4” quick connects

Ensure peak performance and reliability in your HVAC system with the Rheem-Ruud 42-21571-08 24V Control Relay. Order now for fast shipping and top-rated customer support!