REV. 4-6-2010 Page 1 of 11
AF-4000 Series
Electronic Gas Control Valve
APPLICATION
The AF-4000 Electronic Gas Control Valve is designed for use in gas in hearth products, wall mount furnaces, and space
heating appliances. For use with Propane or natural gas.
AF-4XXX MODEL IDENTIFICATION
A F 4 X X X
Inlet/Outlet Configuration
0 = Side Inlet/ Side Outlet, 3/8” NPT
1 = Back Inlet/Side Outlet, 3/8” NPT
2 = Side Inlet/Back Outlet, 3/8” NPT
3 = Back inlet/ Back outlet, 3/8” NPT
4 = Back-Side Inlet/Back-Side outlet, 3/8” NPT
American Flame 5 = Side Inlet/Side Outlet, 1/2" NPT
6 = Side Inlet/Outlet, 1/2" NPT,
Back Inlet/Outlet, 3/8”NPT
HI/LO Control
0 = Manual without Hi/Lo Solenoid or Mech. Adjust.
1 = Mech. HI to LO Adjustment
4000 Series 2 = With High/Low Solenoid (Remote)
3 = With High/Low Variable DC Motor Drive (Remote)
4 = With High/Low Step Motor (Model AF-4000MOT)
Type of Valve
0 = Vented Control Valve
1 = Ventfree Control Valve
FEATURES
• Multi positional (All Plans) / Versatile Mounting.
• DC volt powered internal solenoids.
• 50,000 BTU/hr as tested by CSA per test standard with a 2” wc inlet and 1” wc outlet with 1” wc pressure drop (All
inlet/outlet configurations).
• AF-4000 series available with 0ºF to 175ºF (-18
0
C to 79
0
C) temperature range.
• Multiple inlet/outlet connections (3/8” NPT, Optional 1/2" NPT Side Inlet and Outlet).
• Multiple Pilot connections (Side and Back).
• Fine mesh screens on inlets.
• Multiple mounting holes (All 10-24 SAE threads)
• Low profile / Compact size.
• Easy pilot adjustment screw (Valve on the front).
• European style inlet / outlet pressure taps (Located on the valve front).
• Simple unique rotary conversation from natural to propane gas.
• Vented / Vent free models available.