User guide

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The air vent is used to automatically ventilate fluid-filled systems, preferably in solar installations.
Air in heating systems and other fluid-filled systems frequently causes disruptions in water cycles, as
well as corrosion and noise. Therefore pay particular attention to a good ventilation.
Standard version
Accessories
The air vent is used to automatically ventilate fluid-filled systems, preferably in solar installations.
Air in heating systems and other fluid-filled systems frequently causes disruptions in water cycles, as
well as corrosion and noise. Therefore pay particular attention to a good ventilation.
Standard version
Accessories
Minival Solar - Automatic air vent for solar installations, E121S
Media Water
Body material brass
Max. media temperature 150
o
C
Additional description Packing unit: 12 pieces
• Absolutely drip free
• Long-term reliability
• High ventilation capacity
• Cleaning or exchange of the sealing and internal parts after
additional installation of the AVSOLAR shutoff valve is possible
without emptying the system
• Extremely quick reaction
• Particularly compact
Type
E121S-3/8A
E121S-1/2A
Shutoff valve, Brass housing, high-grade, temperature-resistant plastic internal parts,
hot water-resistant elastomer sealing ring, connection size 3/8
AVSOLAR-3/8
Shutoff valve, Brass housing, high-grade, temperature-resistant plastic internal parts,
hot water-resistant elastomer sealing ring, connection size 1/2
AVSOLAR-1/2
Elite Solar - Automatic air vent for solar installations, E125S
Media Water
Body material brass
Port connection type external threads
Max. media temperature 150
o
C
Additional description • Absolutely drip free
• Long-term reliability
• High ventilation capacity
• Cleaning or exchange of the sealing and internal parts after
additional installation of the AVSOLAR shutoff valve is possible
without emptying the system
• Extremely quick reaction
• Particularly compact
Type
E125S-3/8A
E125S-1/2A
Shutoff valve, Brass housing, high-grade, temperature-resistant plastic internal parts,
hot water-resistant elastomer sealing ring, connection size 3/8
AVSOLAR-3/8
Shutoff valve, Brass housing, high-grade, temperature-resistant plastic internal parts,
hot water-resistant elastomer sealing ring, connection size 1/2
AVSOLAR-1/2