Resideo VR8300A4508 Valve

3/4" 24vac standing pilot dual automatic combination valve, straight flange x npt, 3.5" water column, standard opening, single stage, straight through with flange, 30000 btu to 290000 btu max, 1/2# pressure rating, 1/8" npt pressure tap with plug, includes 3/4x1/2"reducer bushings (2), includes natural to lp conversion kit

VR8300A4508 is the direct replacement for 14662060 (OEM HAD EXTRA LONG 1/8"COMP FITTING), 10P38, 841911, 5H0725910003

Resideo VR8300A4508 Gas Valve – 3/4" 24VAC Standing Pilot Dual Automatic Combination Valve

The Resideo VR8300A4508 is a high-performance 3/4" 24VAC standing pilot dual automatic combination gas valve designed for reliable control in gas-fired appliances. Built with a straight-through flange design, this valve supports capacities from 30,000 BTU to 290,000 BTU, making it ideal for a wide range of heating applications. It features a standard-opening, single-stage operation, 1/2 psi pressure rating, and comes equipped with 1/8" NPT pressure tap with plug. For added versatility, it includes two 3/4" x 1/2" reducer bushings and a Natural-to-LP conversion kit.

Key Features

• Dual automatic combination valve with built-in safety shutoff, manual valve, pressure regulator, and pilot adjustment

• Compact, easy-to-install design

• Provides two automatic valves for enhanced safety

• First valve (solenoid-operated) opens on a call for heat and closes when satisfied

• Second valve (diaphragm-operated) opens under regulator control and closes if gas or power is interrupted

• Meets industry codes requiring dual safety shutoff

• Includes Natural-to-LP and LP-to-Natural conversion options

• All wiring, adjustments, and pilot connections accessible from the top

• Adjustable servo regulator maintains consistent gas output pressure under varying supply conditions

• Compatible with ECO connectors

• Features LITE-RITE (OFF–PILOT–ON) lighting sequence

Product Specifications

• Application: Single-stage gas control

• Body Pattern: Straight-through with flange

• Voltage: 24 VAC

• Frequency: 60 Hz

• Opening Characteristics: Standard opening

• Fuel Type: Natural Gas (LP compatible with included conversion kit)

• Capacity: 30,000 BTUh min – 300,000 BTUh max

• Pressure Rating: 1/2 psi (3.5 kPa)

• Pressure Regulator Setpoint: 3.5 in. WC (0.87 kPa)

• Operating Temperature: 0°F to 175°F (-18°C to +79°C)

• Inlet/Outlet Size: 3/4" x 3/4"

• Pilot Gas Outlet: Compression fitting for 1/4" OD tubing

• Pressure Tap: 1/8" NPT with plug

• Dimensions:

  • 5 3/8" H x 4 1/16" W x 2 11/16" D

  • (135 mm x 104 mm x 69 mm)

• Mounting: 0° to 90° in any direction from upright, including vertical

• Electrical Connections: 1/4" quick-connect male terminals

• Includes: Natural-to-LP conversion kit, (2) 3/4" x 1/2" reducer bushings

• Ignition Type: Standing pilot

Approvals

• UL Component Recognized

• CSA International (112395)

• Australian Gas Association (4717)