The Viessmann PlusBus Surface Mounting Pre‑Plumbing Jig is a purpose‑designed installation accessory for Vitodens 100 and Vitodens 200 PlusBus system boilers. It allows installers to pre‑assemble all essential hydraulic connections before the boiler is mounted, dramatically speeding up installation and ensuring a clean, professional pipe layout.

This jig includes all required valves, fittings, safety components, and connection points needed for a compliant and reliable system boiler installation. 

Key Features

• Suitable for Vitodens 100 & 200 PlusBus system boilers.

• Provides a pre‑assembled mounting plate to simplify and streamline installation.

• Supplied with heating flow and return valves, plus all associated fittings. 

• Includes gas shut‑off valve with an integral thermally‑activated safety shut‑off mechanism. 

• Fitted with an air vent valve for safe system commissioning. 

• Includes a pressure gauge for system monitoring. 

• Designed for surface mounting, making it ideal for solid‑wall or plant‑room installations.

Connection Details

• Gas shut‑off valve: R 3/4 (male thread)

• Heating flow/return: R 3/4 (male thread)

Use Cases

• Fast installation of Vitodens 100/200 system boilers

• Neat, pre‑assembled pipework layout in domestic & commercial plant rooms

• Surface‑mounted boiler setups requiring a robust pre‑pipe solution

• Projects that require consistent, repeatable installation quality