Ball siphon on suction side (underpressure) – transparent – OUTDOOR INSTALLATION
Beschrijving
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Condensate drain for HVAC systems for outdoor installation.
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Applicable only on the suction (underpressure) side.
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Maximum underpressure: 3500 Pa.
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Material: UV-resistant / heat-resistant / freeze-proof (can expand, not equipped with heating tape).
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Connection with rubber sleeve.
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Connection (drain) diameter: DN40.
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Self-filling siphon with ping-pong ball acting as non-return valve and removable screw cap for filling and cleaning.
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The ping-pong ball prevents air suction when dry, allowing the siphon to fill automatically with the first condensate formation.
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Transparent section for visual inspection of water discharge.
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The siphon must always drain freely (do not connect directly and continuously to the wastewater system).
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Horizontal installation is absolutely required to ensure proper sealing function of the ping-pong ball.
Siphon selection: ![]()

Specifications
| Product code | Zuigzijdig (geschikt voor buitenopstelling) |
| Category | Weger |
| Subcategory | Siphon |
Extra specifications
Adapter 40/1”
(Transition from condensate tray with 1” male thread to 40 mm siphon connection)
⚠️ Do not forget to order this adapter!