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Item 33 Of 36
24 Vac Step Opening Gas Valve

VR8304P4504/U

Single Stage, 24 Vac, Step Opening Intermittent Pilot 3/4 x 3/4 Step rate 0.9" WC, Full Rate 3.5" WC

  • Product Info
  • Literature
  • Accessories & Replacement Parts

Overview

Combination gas control for use in 24 Vac gas-fired, intermittent pilot appliances with capacities from 30 to 415 cfh.

Features

  • Controls include safety shutoff, manual valve, two automatic operators, pressure regulator and pilot adjustment.
  • Use with S86F,H; S860D; S8600F,H; S8610 and S90A,B Control Modules.
  • 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 shutoff.
  • Natural to LP and LP to Natural conversion kits available for standard and slow opening gas valves.
  • 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.
  • Compatible with ECO connector.
  • ON-OFF lighting sequence.

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, 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
Compression fitting for 1/4 in. OD tubing
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
Intermittent Pilot

Accessories

390427A/U

One 3/4 x 1/2 in. reducer bushings

390427B/U

Envelop with Reducer bushing (1/2 in.to 3/8 in. npt)

390427E/U

Two 3/4 x 1/2 in. reducer bushings

392877/U

1/4 inch barbed vent fitting

393200-1/U

ECO adapter with 1/4" x 0.032" quick-connect terminals for VR8200 and VR8300 family.