Unicount Koax T 2" – Water Meter for Nussbaum Optivis In-Wall Installation System

Water meter designed for Nussbaum Optivis in-wall installation systems

The Unicount Koax T 2" is specifically developed for direct integration into Nussbaum Optivis in-wall installation systems, with a fixing centre distance of 430 mm. The dedicated fixing sets with spacer sleeves ensure flush alignment and lasting stability within the in-wall frame. The connection plates incorporate vibration-dampening elements for effective reduction of flow-related noise.

Key benefits at a glance

• Fixing centres 430 mm — full mechanical compatibility with Nussbaum Optivis
• Spacer sleeves for precise flush alignment
• Universal G 3/4" interfaces — integration without additional components
• Compatible with Radio or M-Bus reading — choice made at commissioning
• Acoustic insulation compliant with group I per ISO 3822
• Compatible with Koax 2-inch measuring capsules Qn 1.5 m³/h

Application

This pack is the reference solution for engineers and planners working within the Nussbaum Optivis sanitary ecosystem. The system remains neutral during shell construction, allowing the reading technology to be selected only at commissioning — offering maximum flexibility for the building owner.

Frequently asked questions

What is the difference with the Geberit GIS and DUOFIX models?

This model is designed for the Nussbaum Optivis system with 430 mm fixing centres and specific spacer sleeves. Geberit models have different fixing centres: 248 mm for GIS and 420 mm for DUOFIX. Please verify which system is installed before ordering.

Are measuring capsules included?

No. Measuring capsules are sold separately. Compatible with Koax 2-inch multijet meters Qn 1.5 m³/h.

Which reading technologies are compatible?

The system is compatible with Radio and M-Bus reading technologies. The choice can be made at commissioning, as the system remains neutral during the shell construction phase.