Residential Comfort/Combustion : Combustion Controls : Gas Valves, Residential : Direct Burner Ignition : VR8305 : VR8305P4279/U
Single Stage, 24 Vac, Step Opening Direct Igition. 3/4 x 3/4. Step rate 0.9" WC, Full Rate 3.5" WC
Overview
Combination gas control for use with hot surface/direct spark systems in 24 Vac, gas-fired appliances, with capacities from 30 to 415 cfh.
Features
- Controls include manual valve, two automatic operators, and pressure regulator.
- Use with S89C,E,F and S87 series 5 and later.
- Compact size.
- 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 regulator; closes if gas or power supply is interrupted.
- Meet codes requiring dual safety shut-off.
- All adjustments, wiring connections and pilot outlet are accessible from top of control.
- Adjustable servo regulator effectively maintains almost constant gas output pressure under wide fluctuations in gas supply pressure.
- ON-OFF lighting sequence.
- Natural to LP and LP to Natural conversion kits available for standard and slow opening gas valves.
Product Specifications
- Application
- Single Stage
- Dimensions (in.)
- 5 3/8 in. high x 4 1/16 in. wide x 2 11/16 in. deep
- Dimensions (mm)
- 135 mm high x 104 mm wide x 69 mm deep
- Item Type
- Product
- Mounting
- 0 to 90 degrees in any direction from the upright position of the gas control knob, including vertically.
- Frequency
- 60 Hz
- Approvals, Underwriters Laboratories Inc.
- UL Component Recognized MCCZ2.MH5323
- Approvals, CSA
- 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
- Approvals, Canadian Gas Association
-
- Body Pattern
- Straight-through
- Opening Characteristics
- Step
- Pressure Ratings (psi)
- 1/2 psi
- Pressure Ratings (kPa)
- 3.5 kPa
- Inlet/Outlet Size (in.)
- 3/4 in. x 3/4 in.
- Pilot Gas Outlet
- None
- Pressure Tapping
- 1/8 in. NPT with plug
- Approvals, American Gas Association
-
- Type of Fuel
- Natural
- Capacity (kBtuh)
- At 1 in. wc p.d.-- 300,000 BTUh: 30,000 BTUh minimum: 415,000 BTUh maximum Natural Gas
- Approvals, Australian Gas Association
-
- Pressure Regulator
- Step
- Pressure Regulator Setpoint (in. wc)
- Step Setting: 0.9 in. WC non-adjustable; Full Rate: 3.5 in. wc
- Pressure Regulator Setpoint (kPa)
- Full Rate: 0.87 kPa; Step Setting: 0.22 kPa
- Ignition Type
- Direct Ignition
- Anticipator Setting
-
