3/8" NPT. AUTOMATIC VENT LIMITING D
Maxitrol 3704 Vent Limiter 3/8" NPT This vent limiter is designed for use with 325 and 325AL Models This automatic damper will limit the flow of air moving through a vent pipe being utilized as a draft hood. This is accomplished by means of an internal spring detent that opens and closes ports in the damper. The setting of this spring is automatically adjusted to the conditions encountered, enabling a safe and economical draft control capability.
The Maxitrol 3704 Co. Brass, 3/8" NPT Vent Limiter, for use with 325-5A and 325-56AL Series Blowers, is a fully automatic fixed orifice vent limiting device which has been tested and approved by the U.S. Bureau of Mines under their Method of Test "K" for Safety Valves for Underground Mine Use. It is designed to be used in conjunction with a 325 - 5A Series Blower (purchased separately
Maxitrol 3704 Co. Brass, 3/8" NPT Vent Limiter, Use with 325-5A, 325-56AL. This Maxitro vent limiting device is designed for use with vent systems using a horizontal vent connector meeting the requirements of Class II (August 1931) and CPR for Type B 1/2 installations. Connecting to a branch pipe which can be installed in a vertical position, this manually adjustable spring-loaded affair limits flow through the vent system. It
EASY TO OPERATE. The Maxitrol 3704 Co. Brass 3/8" NPT Vent Limiter and Valve is Automatic, Easy to Set, and Adjust with the Bonus of a Diaphragm that Prevents Condensate from Entering the Valve Dampening Moments.
Automatic vent limiting. the vent limiter always closes off a section of a flue pipe at any wind velocity up to and beyond 55 mph. The Maxitrol 3704Ci is suitable for use on all modern vent systems in new installations, or on existing installations, when retrofitting. Each limiter package is supplied complete with mounting plate, needed galvanized straps and screws, 3/8" gray copper line and 1/2" PVC flue collar. The Maxitrol 3704
This is a Maxitrol 3704 Co. Brass, 3/8" NPT Vent Limiter that is used in conjunction with other Maxitrol Venting Systems.
The Maxitrol 3704C-05 is an automatic vent limiting device that automatically reduces the burner output upon reaching a specified setpoint. The 3704C-05 unit is designed to control the draft relief, pilot or main burners on gas fired forced air furnaces and boilers.