![]() It is possible that multiple actuators are controlled by one thermostat, if there is more than one coil of tube in that zone. These valves are controlled by actuators (6) which in turn are connected to the thermostat in the heating zone. On the return manifold rail there are valves to control whether or not the water will flow through the individual tube. Water will then flow through the tube, and arrive back at the return manifold. With Nu-Heat’s manifold the flow gauge also incorporates the setting valve, and adjustment is made by screwing the collar (3) in and out. When a zone is calling for heat, the water flow is indicated by flow gauges (1) which show the rate of flow. The flow manifold (the top row of the diagram) is fed by the warm water, the temperature of which is shown on the temperature gauge (2). The manifold is made up of between 2-12 ‘ports’ (where the tube connects) and these function in pairs of flow and return. How do manifolds for underfloor heating work? Main isolating valve: used to isolate the manifold during the initial filling and servicing.Return Temperature Gauge: this allows the differential temperature between flow and return to be assessed.Manual Air Vent: the manual air vent allows air to be removed from the underfloor heating system.The actuator is controlled by the corresponding zone thermostat. Actuators: the actuator acts as a gate, opening and closing to allow water to flow through each circuit.Filling/Drain Off Valve: the filling and drain valve is used for the initial filling and draining of the underfloor heating system.Pressure Gauge: the pressure gauge (7) is found on the flow return manifold rail, and is used to assess the pressure during the pressure test.Flow Adjustment: the flow adjustment valve simply allows users to adjust the rate of flow moving through each circuit.Flow Temperature Gauge: the flow manifold (the top row of the diagram) is fed by the warm water, the temperature of which is shown on the flow temperature gauge.The required flow rate is calculated during the design process and shown on the CAD drawings. Flow Gauge: the flow gauge shows the current flow rate for the zone, and is set using the flow adjustment valve (3). ![]() The components of an underfloor heating manifold Generally zones refer to individual rooms which are controlled via their own thermostat. Underfloor heating manifolds are able to control multiple zones at once, allowing each zone to be warmed to a different temperature depending on the wants of the user. They connect the underfloor heating pipework to the heat source, feeding water at the correct temperature from either the boiler (via a blending valve) or from the heat pump, directing it to each UFH tube at the correct flow rate. HWSS, G3 Unvented Hot Water Systems and Safety CourseĪn underfloor heating manifold is a system that distributes warm water to each UFH zone.Foundation Underfloor Heating Training Course.ElectroMat ® OneZone ® underfloor heating kit.LoPro ®Lite OneZone ® underfloor heating kit.LoPro ®Max OneZone ® underfloor heating kit. ![]() ClipTrack ® Screed OneZone ® underfloor heating kit.Underfloor heating kits Toggle sub menu.Become a heat pump installer and grow your business by 20%. ![]()
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