Resideo VR8304P4504 24V Intermittent Pilot Gas Valve 3/4" NPT Step Opening Natural Gas

The Resideo VR8304P4504 is a combination gas control designed for use in 24 VAC gas-fired, intermittent pilot appliances with capacities from 30 to 415 CFH. This step-opening valve supports up to 300,000 BTU/h capacity and features 3/4" x 3/4" inlet and outlet connections for straightforward installation in residential and light commercial heating systems.

Dual Automatic Valve Safety System:

• Solenoid-operated first automatic valve opens on thermostat call for heat and closes when the call for heat ends
• Diaphragm-operated second automatic valve opens under control of a regulator and closes if gas or power supply is interrupted
• Controls include safety shutoff, manual valve, two automatic operators, pressure regulator and pilot adjustment

Key Technical Specifications:

• Step opening with full rate pressure regulator set at 3.5" WC and step setting at 0.9" WC
• Compatible with S86F, S86H, S860D, S8600F, S8600H, S8610, and S90A, S90B control modules
• Operating temperature range: -40°F to 175°F
• All adjustments, wiring connections and pilot outlet are accessible from top of control
• Can be mounted 0 to 90 degrees in any direction from the upright position

This valve features an adjustable regulator that effectively maintains almost constant gas output pressure under wide fluctuations in gas supply pressure. The VR8304P4504 is CGA Design Certified (File No. L2025007) and UL Component Recognized, ensuring it meets stringent safety standards for dual automatic shutoff applications.