Vent Control System

The Vent Control System (VCS) maintains a constant negative pressure in the exhaust common manifold or individual chimney/vent. Designed with EC-Flow Technology™, the VCS takes advantage of US Draft Co. bi-directional pressure transducer and proprietary PID technology to rapidly respond to varying manifold or individual system pressure on Category I, II, III & IV as well as building heating appliance systems. Utilizing the Truline™ inline or termination draft inducer, a VIC series control and pressure transducer, the system interlocks with fossil fuel fired heating appliances to maintain the required outlet pressure of the manufacturer. The VCS meets all requirements for the National & International Fuel Gas Codes and the Uniform & International Mechanical Codes.

Mechanical draft fans:

CB‐EX – Termination Chimney Fan

CB‐EX – Termination Chimney Fan

T9F ‐ 90° TrulineTM Draft Inducer

T9F ‐ 90° TrulineTM Draft Inducer

TRV ‐ TrulineTM Draft Inducer

TRV ‐ TrulineTM Draft Inducer

T9F

T9F

 

 

 

 

 

 

Controls:

VIC – Constant Pressure Controller

VIC – Constant Pressure Controller

VICx – Constant Pressure Control

VICx – Constant Pressure Control

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Pressure Air System

The Pressure Air System (PAS) maintains a constant pressure in the mechanical room or ducted supply. Designed with EC-Flow Technology™ the PAS takes advantage of US Draft Co. proprietary bi-directional pressure transducer and PID technology to rapidly respond to varying outdoor pressures to maintain a neutral pressure in the mechanical room or appliance inlet duct when compared to atmosphere. Utilizing an inline or wall mounted supply fan, the VIC or VRX series controller, pressure transducer and outdoor sensor, the system interlocks with fossil fuel fired heating appliances to maintain the required combustion air of the manufacturer. The PAS meets all requirements for the National & International Fuel Gas Codes and the Uniform & International Mechanical Codes.

Mechanical draft fans:

ISAB – Inline Supply Air Booster

ISAB – Inline Supply Air Booster

ISAF – Inline Supply Air Fan

ISAF – Inline Supply Air Fan

Controls:

VRX – Constant Pressure Controller

VRX – Constant Pressure Controller

VIC – Constant Pressure Controller

VIC – Constant Pressure Controller

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Step Air System

The Step Air System (SAS) incrementally increases the supply air fan based on the number of appliances in operation. Designed with US Draft Co. proprietary control algorithm and control logic, the SAS responds to varying appliance demand scenarios to maintain adequate supply air in the mechanical room. Utilizing an inline or wall mounted supply fan and the VIC or VICx series controller, the system interlocks with fossil fuel fired heating appliances to maintain the required combustion air of the manufacturer. The SAS meets all requirements for the National & International Fuel Gas Codes and the Uniform & International Mechanical Codes.

Supply air fans:

ISAB – Inline Supply Air Booster

ISAB – Inline Supply Air Booster

ISAF – Inline Supply Air Fan

ISAF – Inline Supply Air Fan

Controls:

VIC – Constant Pressure Controller

VIC – Constant Pressure Controller

VICx – Constant Pressure Control

VICx – Constant Pressure Control

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Over Draft Control System

The Over Draft Control System (ODCS) maintains a constant pressure in the exhaust common manifold or required pressure (negative or positive) at the individual connector. Designed with EC-Flow Technology™, the ODCS takes advantage of US Draft Co. bi-directional pressure transducer and proprietary PID technology to rapidly respond to varying manifold or individual system pressure on Category I, II, III & IV as well as building heating appliance systems. Utilizing the Opposed Blade Damper (OBD), a VIC series control and pressure transducer, the system interlocks with fossil fuel fired heating appliances to maintain the required outlet pressure of the manufacturer. The ODCS meets all requirements for the National & International Fuel Gas Codes and the Uniform & International Mechanical Codes.

Mechanical draft fans:

Controls:

VIC – Constant Pressure Controller

VIC – Constant Pressure Controller

VICx – Constant Pressure Control

VICx – Constant Pressure Control

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Dryer Exhaust System

The Dryer Exhaust System (DES) maintains a constant pressure in the clothes dryer exhaust system. Designed with EC-Flow Technology™, the DES takes advantage of US Draft Co. bi-directional pressure transducer and proprietary PID technology to rapidly respond to varying manifold pressures due to load changes in the clothes dryer exhaust system. Utilizing the Truline™ MEF Multi-use Exhaust Fan and a VIC or VRX series control, the system can receive a start signal through a current sensing relay or may run continuously. The DES meets all requirements for the National & International Fuel Gas Codes and the Uniform & International Mechanical Codes.

Mechanical draft fans:

MEF ‐ 90° TrulineTM Draft Inducer

MEF ‐ 90° TrulineTM Draft Inducer

Controls:

VIC – Constant Pressure Control

VIC – Constant Pressure Control

VRX – Constant Pressure Controller

VRX – Constant Pressure Controller

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High Temperature System

Specifically designed to properly draft high temperature applications, the High Temperature System (HTS) consists of the CB-FH mechanical draft fan and the Multi Use Controller (MUC). With a temperature rating of 1,000℉ continuous, the HTS can handle the high flue temperatures associated with a wood-or gas-burning pizza ovens, kilns and industrial stoves. The use of mechanical draft ensures that the appliance’s chimney does not become a supply duct for the exhaust or ventilation systems. Utilizing patent pending technology, the VICx or MUC takes advantage of the high efficiency synchronous motor to control the draft on the appliance. The controller can determine if the motor has failed and activates a visual and audible signal in case of fan failure as required by NFPA 211 and the International Mechanical Code.

Mechanical draft fans:


Controls:
VICx – Constant Pressure Control

VICx – Constant Pressure Control

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Connector Draft System

The Connector Draft System (CDS) maintains the required pressure (negative or positive) at the individual appliance connector. Designed with EC-Flow TechnologyTM, the CDS takes advantage of the US Draft Co bi- directional pressure transducer and proprietary PID technology to rapidly respond to varying pressures at the appliance on Category I, II, III & IV as well as building heating appliance systems. Utilizing a single blade damper (SBD) or opposed blade damper (OBD), pressure transducer and the all-new VDC controller, the system interlocks with the fossil fuel fired heating appliance to maintain the required outlet pressure of the manufacturer. It also serves to protect the boiler from flue gas recirculation when used in a common vent system. The CDS meets all requirements for the National & International Fuel Gas Codes and the Uniform & International Mechanical Codes.

CDS – Connector Draft System

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