The world's largest supplier of underfloor heating

Polypipe Water Underfloor Heating Multi Room Overlay Kit

Polypipe Water Underfloor Heating Multi Room Overlay Kit

RRP: £7,437.60£3,241.00

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Overlay™ is a unique low profile floor heating system ideal for both renovation and new build projects.

Installed over the existing floor and only 18mm in depth, Overlay™ allows floor heating to be installed where traditional under floor systems would either require expensive excavation or would require the floor to be raised to an unacceptable level.

The Overlay™ system is available in 2 panel types to allow for installation to all build types and floor coverings.

Overlay™ panel is a fibrous panel used for heavyweight floor coverings such as ceramics, or where the floor covering needs to be secured directly to the panel, e.g. solid wood.

Overlay™ systems use a 12mm pipe at 150mm pipe centres and provide excellent response times and heat output compared with traditional built in under floor heating solutions and are therefore ideal for both traditional heating systems and low temperature renewable systems.

Overlay systems are compatible for 12mm pipe.

  • Wilo Multi Circuit Constant Supply Temperature Unit

    A Rated Grundfos Single Circuit
    Constant Supply Temperature Unit

    • New EEI compliant pump
    • Mixer Valve
    • Adaptor Kit
    • Isolation Valves

    The Control Pack maintains the water temperature in an underfloor heating system between 35°C and 60°C.

  • 4 Port push fit manifold

    Multi port push fit manifold includes fill & drain valves

    The manifold comes complete with a drain and air vent assembly, which can be positioned on either end of the manifold and isolation valves are supplied separately for the supply end of the manifold.

    Each Polypipe manifold includes a flow meter on each flow port to provide a visual indicator of the flow through rate of each circuit.

    • Material: Brass
    • Outside Diameter: 15mm
    • Manufactured in accordance with BS EN ISO 9002
  • Thermal Actuators

    Thermal Actuators

    • Underfloor Heating Valve Actuator
    • The Polyplumb system is suitable for use in hot and cold water supply
    • The system is suitable for use in working applications up to 12 Bar/20 Degrees Centigrade (6 Bar/90 Degrees Centigrade)
    • Manufactured in accordance with BS EN ISO 9002
  • Polypipe Pipe

    Pipe, includes stainless steel pipe stiffeners

    • Suitable for all plumbing and heating applications as a flexible alternative to copper tube
    • Suitable in both hard and soft water areas.
    • Material: Polybutylene
    • Outside Diameter: 12mm
    • KIWA/KOMO approved (Certificate numbers K14341, 14342 and 14343)
  • Polypipe Overlay Floor Panel

    Polypipe Overlay Floor Panel

    Overlay™ allows floor heating to be installed into existing spaces quickly, simply and practically. The unique system is a patented low profile panel, which is laid over existing solid or timber floors. Tiles and laminate can be laid directly onto the system. Carpet and vinyl require a capping layer of 4-6mm plywood. Overlay™ is perfect for kitchens, bathrooms or conservatories, where minimal wall space is available and total design freedom is required.

  • Single zone master control unit & 4 zone slave unit

    Single zone master control unit & multi zone slave unit

    When used in a 'single zone' application the master wiring centre (PB1ZM) provides the wiring connections for the under floor heating pump, two-port zone valve, boiler switched live connection (230V or volt free) and the programmable room thermostat.

    The multi zone slave unit plugs in to the Single Zone Master Unit (PB1ZM) and provides simple wiring of actuators and room thermostats for multiple zone control.

    Please note: Master control and slave units may change depending on the selection of thermostats.

  • Polypipe Manual Thermostat

    Polypipe manual room thermostats as standard

    The PBRS is a traditional dial type room thermostat that combines accurate comfort control with a familiar dial type user operation. This thermostat is used in conjunction with the time clock PB2CTC and is provided with a connection for the wet room sensor.

    You can upgrade your thermostat for a small additional cost. See the thermostats tab for further details.

Kit Size (m2)406080100
Constant Supply Temperature Unit
Push fit manfiold46810
Wire UFCH Valve Actuator46810
Polyplumb Flexible Pipe46810
Overlay Floor Panel9131720
Single zone master control unit & 4 zone slave unit
Manual room thermostat2345
Kit Size (m2)406080100
Constant Supply Temperature Unit
Push fit manfiold46810
Wire UFCH Valve Actuator46810
Polyplumb Flexible Pipe46810
Overlay Floor Panel9131720
Single zone master control unit & 4 zone slave unit
Manual room thermostat2345
Maximum heat outputapprox 100W/m2
Recommended design flow temperatures45 - 50°C
Maximum circuit length80m
Maximum coverage per circuit12m2
NameProduct CodePrice
Polypipe Multi Room Overlay Kit, 40m2 - 2 Zone1375£3,241.00
Polypipe Multi Room Overlay Kit, 60m2 - 3 Zone1376£4,621.00
Polypipe Multi Room Overlay Kit, 80m2 - 4 Zone1377£6,002.99
Polypipe Multi Room Overlay Kit, 100m2 - 5 Zone1374£7,384.00

Delivery options

At The Underfloor Heating Store, we strive to make every step of your order as easy and convenient as possible, from finding the right underfloor heating setup to best suit you to taking delivery of your system the very next day.

We're proud to offer a range of delivery options to suit you, including free delivery on all of our orders or next working day delivery for a fixed price of £4.99.

Our delivery options

  • 2-3 Working Days (3-5 working days on wet room and energy efficiency products)
  • FREE
  • Next Working Day
  • £4.99 (order before 4pm, Monday to Friday)
  • Next Working Day Before 10.30am
  • £14.99 (order before 4pm, Monday to Friday)
  • Saturday Delivery
  • £29.99 (order before 4pm on Friday)