624583R Nordyne Gas Valve 7200 Ercs-1 

🔧 Product Overview

• Part Number: 624583R

• Valve Model: Robertshaw 7200 ERCS-1

• Type: Step-opening pilot gas valve

• Inlet/Outlet Size: 1/2″ inlet × 3/8″ outlet

• Voltage: 24 VAC

• Fuel Compatibility: Natural Gas (default) or LP (convertible)

• BTU Capacity: Up to 150,000 BTU

• Mounting: Standard manifold mount

• Dimensions: 5.25″ L × 4.5″ W × 6.25″ H

• Weight: ~3.5 lbs

This valve controls gas flow to the burners and pilot assembly, ensuring safe ignition and operation in Nordyne furnaces.

✅ Compatibility

The 624583R is widely used across Nordyne-manufactured brands, including:

It replaces older part numbers including: 624370, 624434, 624609, 624466, 624491, 624581, 624583B, 624583C, 6246216

🔄 LP Conversion Instructions

• Comes factory-set for Natural Gas

• To convert to LP (Propane):

  • Unscrew the cap marked “NAT”

  • Flip it over so “LP” is visible

  • Screw it back down

  • Replace burner orifices as required

🛠️ Installation Notes

• Must be installed by a qualified HVAC technician

• Ideal for technician kits servicing mobile home furnaces with pilot ignition

• Recommended accessory: Thermocouple 632183 (sold separately)

• Ships in standard 10″ × 12″ × 12″ packaging from suppliers like Quinn Supply

Features and Benefits

• Gas cock dial marking Off - Pilot - On
• Pilot outlet 1/4” tubing
• Ambient temperature of -40°F to 175°F
• Combination screw/spade terminal type
• Maximum inlet pressure 14” WC (0.5 PSI)
• Standard NEMA terminals
• Inlet filtered screen
• Various gas types: natural, manufactured, mixed, LP, and
  LP/air mixtures
• Multiple actuators available
• RoHS compliant

Robertshaw 720-474 1/2" Step Open Conv Reg 24v3.5-11wc