The Viessmann PlusBus Surface Mounting Pre‑Plumbing Jig for the Vitodens 111‑W is a purpose‑built installation kit that enables fast, tidy, and standardised pre‑pipework assembly before fitting the boiler. Designed specifically for the Vitodens 111‑W storage combi, this jig provides all the key hydraulic and gas connection components laid out clearly on a rigid mounting plate—giving installers a clean, repeatable installation process.

Key Features

• Purpose‑designed for Vitodens 111‑W PlusBus combi boilers
  Ensures perfect alignment and compatibility with the 111‑W's integrated storage cylinder and hydraulic block.

• Complete surface‑mounting solution
  Allows the installer to build all pipework in advance before hanging the boiler—saving significant installation time.

• Includes all required valves & fittings
  Heating flow and return valves, gas isolation valve, cold water and DHW fittings, plus all associated seals and connections.

• Integrated gas safety shut‑off valve
  Features an automatic thermal safety mechanism for compliant installation.

• Pressure gauge and air vent included
  Supports safe commissioning and provides accurate system monitoring on install.

• Installer‑friendly layout
  Clearly spaced connection points reduce installation errors and keep pipework neat.

• Ideal for tight spaces & professional finishes
  Perfect for kitchens, utility rooms, plant rooms and refurbishments where consistency and appearance matter.

What’s Included

• Surface‑mounting pre‑plumbing jig

• Heating flow valve

• Heating return valve

• Gas isolation valve with thermal safety shut‑off

• Cold water & DHW isolation valves

• Pressure gauge

• Air vent

• All necessary fittings and fixing hardware

Use Cases

• New installations of the Viessmann Vitodens 111‑W storage combi

• Upgrades where pipework must be prepared before boiler placement

• Developments requiring consistent, repeatable installation standards

• Installations where neat, organised surface‑mounted pipework is essential