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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.

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.

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, 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: Step Opening
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
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
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