Air admittance valves of Hutterer & Lechner

Application purpose:

• For non-ventilated sewer risers
• To reduce the likelihood of a hydraulic seal failure in sanitary appliances
• To prevent sewer air from entering the premises

Characteristics:

• the body is made of PP (double wall thermally insulated), and the membrane is made of rubber;
• equipped with adapter for DN 50/75;
• there is a special removable insect net;
• mounted vertically, located in the upper part of the riser (the valve must be located above the connection point of the highest floor outlet - at least 300 mm);
• installation in residential premises is possible;
• corresponds to GOST 23289-94;
• operation is possible at temperatures from -50°С to +100°С;
• warranty period: 1 year;
• service life: 50 years.

Equipment:

• a special insect net;
• heat-insulated wall;
• rubber membrane.

Produced in Russia.

Operating principle

Mounting diagram

Technical characteristics

Documentation

Download data sheet: HL 900N Air admittance valve

Application purpose:

• For non-ventilated sewer risers
• To reduce the likelihood of a hydraulic seal failure in sanitary appliances
• To prevent sewer air from entering the premises

Characteristics:

• the body is made of PP (double wall thermally insulated), and the membrane is made of rubber;
• there is a special insect net;
• mounted vertically, located in the upper part of the riser (the valve must be located above the connection point of the highest floor outlet - at least 300 mm);
• installation in residential premises is possible;
• corresponds to GOST 23289-94;
• operation is possible at temperatures from -50°С to +100°С;
• warranty period: 1 year;
• service life: 50 years.

Equipment:

• a special insect net;
• heat-insulated wall;
• rubber membrane.

Produced in Russia.

Operating principle

Mounting diagram

Technical characteristics

Documentation

Download data sheet: HL 900NECO Air admittance valve

Ventpipe HL 900NECO is designed for installation in unventilated sewer risers. The device does not allow polluted air penetrate into the room. This ventpipe is equipped with a removable insect screen, it is made of polypropylene. Diameter of the ventpipe is 75/90/110 mm. Also, it has a rubber membrane and integrated double insulation. Capacity is 32 l/s. It is installed vertically on top of riser.

Download data sheet: Ventpipe HL 901

Air admittance valve HL 902 is designed for installation in unventilated sewer risers. It can help you prevent a possible disruption of water trap in sanitary devices, the device also does not allow polluted air penetrate into the room. It is made of polypropylene. Diameter of the air admittance valve is 1". It is designed for HL 404 model.

Air admittance valve HL 902T/32 with DN32 is installed on non-ventilated sewer risers. The valve protects the room against polluted air. Also, the air admittance valve protects sanitary devices against disruption of water trap. It is equipped with  T-connection with two locking nuts.

Air admittance valve HL 902T/40 with DN40 is installed on non-ventilated sewer risers. The device protects the room against polluted air. Also, the air admittance valve protects sanitary devices against disruption of water trap. It is equipped with  T-connection with two locking nuts.

Air admittance valve HL 903 is designed for installation in unventilated sewer risers. The valve protects sanitary devices against disruption of water trap and the room against polluted air. It can be installed on risers with diameters of 32, 40 and 50 mm. Capacity is 8 l/s. You can mount this air admittance valve on a long horizontal pipe, but pipe length must be greater 4 meters.

Download data sheet: Air admittance valve HL 903

Air admittance valve HL 904 is designed for installation in unventilated sewer risers with diameters of 32, 40 and 50 mm. The valve protects sanitary devices against disruption of water trap. Capacity is 5,5 l/s. You can mount this air admittance valve on a long horizontal pipe, but pipe length must be greater 4 meters.

Download data sheet: Air admittance valve HL 904

Air admittance valve HL 904T is designed for installation in unventilated sewer risers. The valve protects sanitary devices against disruption of water trap. Capacity is 5,5 l/s. You can mount this air admittance valve on a long horizontal pipe, but pipe length must be greater 4 meters. It is equipped with  T-connection DN40 x 1 1/2'.

Air admittance valve HL 905 for in-wall installation is made of ABS. The valve protects sanitary devices against disruption of water trap. You can mount this air admittance valve on a long horizontal pipe, but pipe length must be greater 4 meters. Including lot cover, removable function cartridge and cover.

Download data sheet: Air admittance valve HL 905

Air admittance valve HL 905.0 for in-wall installation is made of ABS. The device protects sanitary devices against disruption of water trap. Including lot cover, removable function cartridge. Without cover!