G.S. • Rev. 1-94 • ©Honeywell Inc. 1994 • Form Number 68-0046—4
CONTENTS
Specifications ................................................2
Ordering Information .................................... 2
Installation .................................................... 4
Startup and Checkout ....................................9
Maintenance ................................................ 12
Operation .................................................... 12
Service ......................................................... 15
VR8200; VR4200
Combination Gas Controls
VR4200
VR8200
(TRADELINE)
The VR8200 Continuous Pilot Dual Automatic
Valve Combination Gas Controls are used in gas-
fired, standing pilot appliances. They include safety
shutoff, a manual valve, two automatic operators, a
pressure regulator, a pilot adjustment, and a conduit
cover (VR4200 only).
■ VR8200 for use with 24 Vac heating appliances and
VR4200 for use with 120 Vac heating appliances
that burn natural or liquefied petroleum (LP) gas.
■ Capacity rated at 130 feet
3
/hour at 1 inch wc pres-
sure drop [3.7 m
3
/hr at 0.25 kPa]. Maximum regu-
lated capacity is 200 feet
3
/hour [5.7 meter
3
/hour].
Minimum regulated capacity is 20 feet
3
/hour
[0.6 meter
3
/hour].
■ Solenoid-operated first automatic valve opens on
thermostat call for heat and closes when call for
heat ends.
■ Diaphragm-operated second automatic valve opens
under control of the regulator and closes if gas or
power supply is interrupted.
■ Three-position manual gas control knob has ON,
OFF, and PILOT positions.
■ Separate reset button must be held down to permit
gas flow while lighting pilot; can be pushed down
only in PILOT position.
■ All adjustments, wiring connections and pilot out-
let are accessible from the top of the gas control.
■ Compact size.
■ Straight-through body pattern; right angle adapters
available for inlet and outlet
■ 1/2 in. inlet and 1/2 inch outlet; adapters available
for 3/8 or 3/4 inch.
■ Adjustable servo regulator effectively maintains
almost constant gas output pressure under wide
fluctuation in gas supply pressure.
■ Inlet and outlet screens included.
■ Pilot filter included.
■ Wiring terminal block color-coded beige to identify
standing pilot models.
■ May be installed at any angle between 0 and 90 degrees
from the upright position, including vertically.
■ 1/4-inch male quick-connect terminals for electri-
cal connections. Combination screw and quick-
connect terminals on TRADELINE
®
models.
■ 0° F to +175° F [-18° C to +79° C] temperature
range standard; -40° F to +175° F [-40° C to 79° C]
available.
■ ECO connector included with some models: also
available as accessory.
■ Inlet and outlet pressure taps included; both taps
accessible from top of gas control.
■ Standard-, slow- and step-opening models available.
■ Natural to LP gas conversion kit included with
TRADELINE standard and slow-opening models.
Natural to LP gas conversion kit available for non-
TRADELINE standard and slow-opening models.
■ LP to natural gas conversion kit available for stan-
dard and slow-opening models.
This is a legacy product document supported by
Resideo. This product is no longer manufactured.
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