Data Sheet
FHF Floor Heating Manifold
Application
Manifold with flowmeter |
Manifold without flowmeter |
The Manifold FHF is used for controlling water flow in under floor heating systems. Each tube of the floor heating system is connected to the manifold, thus making it possible to control water flow or heat supply to each room in the building individually.
The manifold consists of a supply and return manifold. The supply manifold includes possibility for individual shut-off of each circuit and as an option also flowmeter. The return manifold is equipped with integrated Danfoss pre-setting valves securing optimal hydraulic balance in the system.
The valves can be controlled electronically by thermal actuators or act as self-acting units by means of remote temperature adjusters.
The manifold is supplied in modules of up to 12 outlets. In addition extension pieces are available for connecting the manifolds in series. Ball valves are available as an option for positive shut-off between manifold and system.
The end pieces FHF-EM and FHF-EA are supplied with manual airvent or alternatively with automatic airvent, purge valve. The end pieces are placed at the end of the manifold.
System layout
© Danfoss | FEC | 2020.03 |
AI010286478228en-000601 / VDUDO | 1 |
Data Sheet |
FHF Floor Heating Manifold |
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Ordering |
Description |
Type |
Code no. |
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Manifold set 2+2 |
FHF-2 |
088U0502 |
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Manifold set 3+3 |
FHF-3 |
088U0503 |
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Manifold set 4+4 |
FHF-4 |
088U0504 |
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Manifold set 5+5 |
FHF-5 |
088U0505 |
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Manifold set 6+6 |
FHF-6 |
088U0506 |
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Manifold set 7+7 |
FHF-7 |
088U0507 |
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Manifold set 8+8 |
FHF-8 |
088U0508 |
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Manifold set 9+9 |
FHF-9 |
088U0509 |
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Manifold set 10+10 |
FHF-10 |
088U0510 |
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Manifold set 11+11 |
FHF-11 |
088U0511 |
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Manifold set 12+12 |
FHF-12 |
088U0512 |
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Manifold set 2+2, with flowmeter |
FHF-2F |
088U0522 |
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Manifold set 3+3, with flowmeter |
FHF-3F |
088U0523 |
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Manifold set 4+4, with flowmeter |
FHF-4F |
088U0524 |
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Manifold set 5+5, with flowmeter |
FHF-5F |
088U0525 |
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Manifold set 6+6, with flowmeter |
FHF-6F |
088U0526 |
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Manifold set 7+7, with flowmeter |
FHF-7F |
088U0527 |
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Manifold set 8+8, with flowmeter |
FHF-8F |
088U0528 |
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Manifold set 9+9, with flowmeter |
FHF-9F |
088U0529 |
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Manifold set 10+10, with flowmeter |
FHF-10F |
088U0530 |
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Manifold set 11+11, with flowmeter |
FHF-11F |
088U0531 |
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Manifold set 12+12, with flowmeter |
FHF-12F |
088U0532 |
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Manifold set 2+2, basic |
FHF-2B |
088U0542 |
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Manifold set 3+3, basic |
FHF-3B |
088U0543 |
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Manifold set 4+4, basic |
FHF-4B |
088U0544 |
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Manifold set 5+5, basic |
FHF-5B |
088U0545 |
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Manifold set 6+6, basic |
FHF-6B |
088U0546 |
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Manifold set 7+7, basic |
FHF-7B |
088U0547 |
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Manifold set 8+8, basic |
FHF-8B |
088U0548 |
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Manifold set 9+9, basic |
FHF-9B |
088U0549 |
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Manifold set 10+10, basic |
FHF-10B |
088U0550 |
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Manifold set 11+11, basic |
FHF-11B |
088U0551 |
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Manifold set 12+12, basic |
FHF-12B |
088U0552 |
Accessories |
Description |
Type |
Code no. |
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End section – automatic airvent and purge valve |
FHF-EA |
088U0785 |
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End section – manual airvent and purge valve |
FHF-EM |
088U0786 |
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End caps – set |
FHF-E |
088U0582 |
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Connection pieces – set |
FHF-C |
088U0583 |
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Reduction bushes/pieces – set 1" - 3/4" |
FHF-R |
088U0584 |
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Mounting brackets – set |
FHF-MB |
088U0585 |
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2 x ball valve 1” with tail piece – for connection to |
FHF-BV |
088U0822 |
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manifold and for blocking of floor heating system |
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1 x thermometer 0 °C to 60 °C, Ø 35 mm – |
FHD-T |
088U0029 |
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for flow/return temperature measurement |
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2 | © Danfoss | FEC | 2020.03 |
AI010286478228en-000601 / VDUDO |
Data Sheet |
FHF Floor Heating Manifold |
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Accessories |
Description |
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Type |
Code no. |
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Thermal actuator, 24V, NC, Danfoss RA |
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TWA-A |
088H3110 |
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connection to valve |
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Thermal actuator, 230V, NC, Danfoss RA |
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TWA-A |
088H3112 |
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connection to valve |
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Thermal actuator, 24V, NC, with end switch, |
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TWA-A |
088H3114 |
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Danfoss RA connection to valve |
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Stuffing box for manifolds |
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DZR |
013G0554 |
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Flowmeter |
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– |
088U0819 |
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Manifold insulation |
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– |
088U0587 |
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Compression fittings |
Description |
Size, mm |
Code no. |
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12 |
× 2 |
013G4152 |
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13 |
× 2 |
013G4153 |
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Compression fittings for PEX tubing in |
14 |
× 2 |
013G4154 |
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accordance with ISO 15875. |
15 |
× 2,5 |
013G4155 |
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Max working pressure: 6 bar |
16 |
× 1,5 |
013G4157 |
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Test pressure: 10 bar |
16 |
× 2 |
013G4156 |
1) |
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Max, flow temperature: 95 °C |
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013G4163 |
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G ¾” internal thread |
16 |
× 2,2 |
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Max, flow temperature given by the tube |
17 |
× 2 |
013G4162 |
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18 |
× 2 |
013G4158 |
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manufacturer must not be exceeded. |
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1) Compression fittings also suitable for PERT |
18 |
× 2,5 |
013G4159 |
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20 |
× 2 |
013G4160 |
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tubing in accordance with ISO 15875. |
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20 |
× 2,25 |
013G4093 |
1) |
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20 |
× 2,5 |
013G4161 |
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Compression fittings for ALUPEX tubing. |
12 |
× 2 |
013G4182 |
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Max working pressure: 6 bar |
14 |
× 2 |
013G4184 |
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15 |
× 2,5 |
013G4185 |
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Test pressure: 10 bar |
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Max flow temperature: 95 °C |
16 |
× 2 |
013G41862) |
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G ¾” Internal thread |
16 |
× 2,25 |
013G4187 |
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Max flow temperature given by the tube |
18 |
× 2 |
013G4188 |
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manufacturer must not be exceeded. |
20 |
× 2 |
013G4190 |
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2) Compression fittings also suitable for PERT/ |
20 |
× 2,25 |
013G40932) |
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ALU/PERT tubing. |
20 |
× 2,5 |
013G4191 |
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Compression fittings for STEEL and |
10 |
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013G4120 |
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12 |
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013G4122 |
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COPPER tubing. |
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Max working pressure: 6 bar |
14 |
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013G4124 |
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15 |
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013G4125 |
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Test pressure: 10 bar |
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Max flow temperature: 120 °C |
16 |
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013G4126 |
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G ¾” Internal thread |
18 |
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013G4128 |
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© Danfoss | FEC | 2020.03 |
AI010286478228en-000601 / VDUDO | 3 |