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3/4 x 3/4 in. NPT Millivolt Gas Valve

VS820M1309/U

750mV Standard Opening Gas Valve. 3/4 x 3/4 with 1/2" side outlets. Set 3.5” WC.

This product is available in the US only.

  • Product Info
  • Literature
  • Accessories & Replacement Parts

Overview

These gas controls combine a Lite-Rite manual gas cock, safety shutoff Pilotstat assembly, millivoltage automatic valve operator, and optional gas pressure regulator. They require the use of a 750 mV Powerpile generator (thermopile). The generator, heated by the pilot burner flame, provides the electrical energy to operate the combination gas control. A millivoltage thermostat with suitable accessory controls completes the automatic control system for the heating appliance.

Features

  • Include pilot flow adjustment screw.
  • Easy to install, adjust and service; all adjustments and connections are accessible from top of control.
  • Add separate energy cutoff (ECO) where codes call for dual safety shutoff.
  • Complete safety shutoff on pilot flame failure.
  • LITE-RITE (OFF-PILOT-ON) lighting sequence.

Product Specifications

Application
Self-powered automatic control. Use with 750 mV pilot generator.
Dimensions (in.)
4 3/4 in. high x 4 1/16 in. wide x 3 3/16 in. deep
Dimensions (mm)
121 mm high x 103 mm wide x 81 mm deep
Includes
Two Bushings: 3/4" NPT to 1/2" NPT and 1/2" NPT to 3/8" NPT; Conversion Kit; Remote Rod Adaptor Knob
Item Type
Product
Mounting
0 to 90 degrees in any direction from the upright position of the gas control knob, including vertically.
Approvals, Underwriters Laboratories Inc.
UL Component Recognized MCCZ2.MH5323
Approvals, Canadian Standards Association
CSA International: 112395
Tradeline Value
Universal
Electrical Connections
Combination screw and 1/4 in. male quick connects.
Voltage
750 mV
Operating Temperature Range (F)
-40F to 175 F
Operating Temperature Range (C)
-40 C to +79 C
Body Pattern
Straight-through, multi-tapped with 1/2 in. right and left outlets plugged
Opening Characteristics
Standard Opening
Pressure Ratings (psi)
1/2 psi
Pressure Ratings (kPa)
3.5 kPa
Inlet/Outlet Size (in.)
3/4 in. NPT x 3/4 in. NPT with 1/2 in. NPT side outlets
Pilot Gas Outlet
Compression fitting for 1/4 in. OD tubing.
Pressure Tapping
Outlet pressure tap: 1/8 in. NPT with plug
Type of Fuel
Natural (LP with included conversion kit)
Capacity (kBtuh)
At 1 in. wc p.d.-- 335,000 BTU/hr: 34,000 BTU/hr minimum, 425,000 BTU/hr maximum
Pressure Regulator
Standard
Pressure Regulator Setpoint (in. wc)
3.5 in. WC
Pressure Regulator Setpoint (kPa)
0.87 kPa
Ignition Type
Standing Pilot

Accessories

390427B/U

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

390427A/U

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

390427E/U

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

390795/U

Envelope Assembly

391936/U

Single Stage LP to Natural Gas Conversion Kit. 3" to 5" adjustment range.

391937/U

Single Stage Natural to LP Gas Conversion Kit. 8" to 12" adjustment range.

392451-1/U

ECO adapter with 1/4" x 0.032" quick-connect terminals for the V800 or the VS820 family