15m² (RTL) EPS400 Single Room Overfloor Kit

Complete single room overfloor heating kit including 20mm low profile EPS 400 Overfloor Panels with 200 micron aluminium, 16mm Pert/Al/Pert Pipe, Wunda Return Temperature Limiting (RTL) valve assembly & recessed enclosure designed to be fed by 15mm radiator heating circuit. (max 1 per system)

This kit will cover up to 15m² MAXIMUM. » READ MORE

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£ 374.50 + VAT

Kit Reference: RTL 15M

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Single Room (RTL Valve) EPS 400 Overfloor Kit - Up to a MAXIMUM of 15m²

Wunda RTL (Return temperature limiting valve) is designed to be fed by 15mm existing radiator circuit, ideal as a direct replacement of an existing radiator. Only 1 RTL can be installed per heating system.

RTL Housing measures 156mm W x 196mm H x 60mm D.

Wunda low profile EPS 400 Overfloor Heating Kits are the perfect choice for Installers wishing to install a floor heating system with minimal disruption, mess and time.

MAPEI & ULTRA approved for tiling directly onto - NO intermediate layers or levelling screed required!

MAPEI approved for tiling

Wunda overfloor heating panels are simply stuck to the existing floor using our strong, rapid dry panel adhesive. 16mm Pert/Al/Pert  barrier pipe can be laid straight away – no need to wait for panel adhesive to dry.

Each kit is designed to cover up to its maximum M² area with overfloor panels using Wunda Pert/Al/Pert pipe at 150mm spacing.

This kit comes complete with Wunda's Return Temperature Limiting (RTL) valve assembly and recessed enclosure; we also offer a version with manifold and pump, click here to view.

All kits feature 16mm Pert/al/Pert  pipe which contains an Aluminium barrier, preventing oxygen diffusion through the pipe walls. Wunda 20mm low profile Super Strong EPS400 Overfloor panels bonded with 200 Microns thick Aluminium heat diffuser and one of our temperature control mixer valves for accurate control of water temperature.

  • Wunda Return Temperature Limiting (RTL) valve assembly & recessed enclosure
  • 21 x EPS 400 Overfloor Boards with 200 micron aluminium covering
  • Wunda Spray Adhesive
  • 100m x 16mm European Pert/Al/Pert floor heating pipe
  • 25m x Edge Strip
  • Pipe Cutter
  • Pipe Reamer
  • 2 x 16mm Pert/Al/Pert to 15mm compression fittings (supplied as repair coupling x1)
  • Installation Guide


Download Factsheet

M10 - RTL 15m² Single Room Kit


Data sheet
  • Height: 20mm (Overfloor Panel)
  • Size: Up to 15m²
  • Qty: 21 Panels
  • Material: EPS 400
  • Pipe Spacing: 150mm
  • Heat Emitter: 200 Micron
  • Pipe Size: 16mm x 100m

Delivery Charges

*All prices exclude VAT. All deliveries subject to road and weather conditions. Some remote areas are delivered on a 48 hour service. Excludes Bank Holidays. We can deliver anywhere in the UK and Internationally, for specific delivery enquiries not covered on this website please call for latest prices and delivery timescales.

Please click here for full Delivery & Returns information.

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