Description
Engineered for modern hot-surface/direct spark ignition systems, the Honeywell/Resideo VR8305Q4153T delivers reliable two-stage control in furnaces, boilers, unit heaters, and hot water heaters. With dual safety shutoff, built‑in regulator, and conversion kit included, this gas valve is ideal for both installations and replacements
Features:
- Controls include manual valve, two automatic operators, and pressure regulator.
- Provide two automatic valves.
- Solenoid operated first automatic valve opens on thermostat call for heat; closes when call for heat ends.
- Diaphragm operated second automatic valve opens under control of the regulator; closes if gas or power supply is interrupted.
- Meet codes requiring dual safety shutoff.
- Natural to LP and LP to Natural conversion kits available for standard and slow opening gas valves.
- ON-OFF lighting sequence.
- All adjustments, wiring connections and pilot outlet are accessible from top of control.
- Use VR8305 models with S89C,E,F and S87 series 5 and later.
Specifications:
- Application: Two Stage
- Dimensions (in.): 5 3/8 in. high x 5 1/16 in. wide x 2 11/16 in. deep
- Dimensions (mm): 135 mm high x 129 mm wide x 69 mm deep
- Includes: 3/4 in. to 1/2 in. reducer bushings and an LP conversion kit, part no. 396021
- Mounting: 0 to 90 degrees in any direction from the upright position of the gas control knob, including vertically.
- Frequency: 50 Hz; 60 Hz
- Approvals, Underwriters Laboratories Inc.: UL Component Recognized: MH8191,
- Approvals, Canadian Standards Association: CSA International: 112395
- Electrical Connections: 1/4 in. quick-connect male terminals
- Voltage: 24 Vac
- Operating Temperature Range (F): -40 F to +175 F
- Operating Temperature Range (C): -40 C to +79 C
- Body Pattern: Straight-through
- Opening Characteristics: Standard Opening
- Pressure Ratings (psi): 1/2 psi
- Pressure Ratings (kPa): 3.5 kPa
- Inlet/Outlet Size (in.): 3/4 in. x 3/4 in.
- Pressure Tapping: 1/8 in. NPT with plug
- Type of Fuel: Natural
- Capacity (kBtuh): At 1 in. wc p.d.– 300,000 BTUh: 30,000 BTUh minimum
- Pressure Regulator Setpoint (in. wc): 1.6 in. wc low; 3.7 in. wc high
- Pressure Regulator Setpoint (kPa): 0.43 kPa low; 0.93 kPa high
- Ignition Type: Direct Ignition
- Anticipator Setting: 0.65 A










