Manifold & Zoning Plans

Manifold sizing and positioning with a zoning strategy that matches how the building is used.

Overview

Manifold & Zoning Plans

Manifold position and zone allocation get decided late and casually, and both decisions are expensive to reverse. A manifold in the wrong cupboard means long dead legs and awkward access for the life of the building. Zones that ignore occupancy mean paying to heat rooms nobody is in.

We plan manifolds and zones as part of the design rather than as an afterthought. Manifold locations are chosen for balanced loop lengths, sensible pipe routing, real access for servicing, and enough space for the pump group and blending valve. Port counts allow for spare capacity. Zoning follows how the building is actually occupied — sleeping and living areas separated, bathrooms treated on their own where their requirement differs, and heating-only zones distinguished from those with setback schedules.

The output includes the control schedule, so the electrician and the commissioning engineer are working from the same document as the pipe installer.

What you receive

Every item below is issued in your own template, with your layer conventions, title block and revision scheme.

Manifold location plan with cupboard or riser space requirement
Manifold schedule — port count, size, spare capacity, pump group and blending arrangement
Circuit-to-port allocation table with loop lengths per port
Zone plan showing zone boundaries and the rooms in each
Control schedule — thermostats, actuators, wiring centre and interlock arrangement
Primary pipe routing from the heat source to each manifold
Flow temperature and mixing strategy per manifold
Balancing and flow rate schedule by circuit
Access and servicing clearance detail

Production detail

Key production parameters for Manifold & Zoning Plans
Typical turnaround	24–48 hours per dwelling
Manifold types	Brass and composite, 2–16 port, pumped and blended groups
Control strategies	Zoned thermostatic, weather compensation, TPI, smart / app control
Standards	BS EN 1264, BS 7593 water quality guidance, Part L / Part F interfaces
Output formats	DWG, PDF, XLSX schedules
Revisions	Two rounds included

Software and formats

We work in your toolchain. If something you use is not listed, ask — the list below is only what we use most.

LinearMagiCADAutoCADRevitTrimble Nova

Frequently asked

There is no universal answer — it depends on the building's occupancy pattern, the control regime and the applicable regulations. We propose a strategy with the reasoning stated and the cost implication noted, and you decide. What we will always flag is a proposal where zone count adds control hardware without changing how anyone actually uses the space.

We will work with the space allocated, and we will tell you plainly when it does not work — insufficient depth for the pump group, no service access, or loop lengths pushed beyond sensible limits. It is much cheaper to hear that at design stage than on site.

We produce the control schedule and wiring centre arrangement so the electrician has an unambiguous document — zone, thermostat, actuator, and the boiler or heat pump interlock. Full electrical design and certification remains with the electrical contractor.

Then the primary side needs designing as well, and we include the mixing and flow temperature strategy per manifold. Send the plant room arrangement and we will coordinate the underfloor design to it.

Heat Loss Calculations Pipe Loop Drawings

Step 3 of 5 in UFH / Underfloor Heating

Send one manifold & zoning plans job and see how we work

Scope, price and programme come back in writing before anything starts. Most first projects are a single deliverable so you can judge us on output, not on a pitch.

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