Circulation unit, Constant temperature
GFA200, GFA300
- Thermostatic constant temperature control
- Desired mixing temperature set between 20°C and 55°C
- Available in 3 sizes: DN20, DN25, DN32
- 3 different high efficiency circulation pumps
- High class insulation shell
- Pretested and ready to use
- Compact design
The ESBE series GFA200 and GFA300 are circulation units equipped with thermostatic mixing valves. They are designed for heating circuits where a constant temperature control is required. Equipped with two shut-off valves with thermometers, check valve, high class insulation shell and high efficiency circulation pump.
The GFAx00 is delivered with a 3-way thermostatic mixing valve for constant temperature control of the heating circuit. The thermostatic mixing valve has adjustable temperature setting in the range of 20°C – 55°C. The circulation units series GFA200 are available in DN25 and DN32 with either a Wilo or Grundfos pump. Series GFA300 is available in DN20 with a Wilo pump with PWM control signal.
GFA211



Art.no. | Reference | DN | Pump | Temperature range [°C] | Connection I | Connection J | A [mm] | Weight [kg] | Note |
61021100 | GFA211 | 25 | Wilo PARA 25/6 | 20−55 | G 1" | G 1½" | 146 | 5,6 | Replaces 61020100 |
61021200 | GFA211 | 32 | Wilo PARA 25/8 | 20−55 | G 1¼" | G 1½" | 157 | 5,9 | Replaces 61020200 |
GFA212



Art.no. | Reference | DN | Pump | Temperature range [°C] | Connection I | Connection J | A [mm] | Weight [kg] | Note |
61021300 | GFA212 | 25 | Grundfos UPM3 AUTO 25-50 | 20−55 | G 1" | G 1½" | 141 | 5,7 | Replaces 61020300 |
61021400 | GFA212 | 32 | Grundfos UPM3 AUTO 25-70 | 20−55 | G 1¼" | G 1½" | 141 | 5,8 | Replaces 61020400 |
GFA311



Art.no. | Reference | DN | Pump | Temperature range [°C] | Connection I | Connection J | Weight [kg] | Note |
61023200 | GFA311 | 20 | Wilo PARA STG 15/8 | 20–55 | G ¾" | G 1" | 4,1 | Replaces 61023100 |
61023202 | GFA311 | 20 | Wilo PARA STG 15/8 | 20–55 | G 1" | G 1" | 4,1 | Campaign 2023 |
Install ESBE Circulation unit
Operation

Installation examples

Documents
Technical data
Pressure class: | PN 10 |
Working pressure: | 1,0 MPa |
Insulation: | EPP λ 0,036 W/mK |
Media, Heating water: | in accordance with VDI2035 |
Media, Water/Glycol mixtures: | max. 50 % ; water / glycol mixtures are affecting the pump performance. In case of Applications where water / glycol mixtures are used, pump performance should be considered. |
Media temperature: | min. +5°C, max. +100°C |
Ambient temperature - Series GFA211: | min. 0°C, max. +58°C |
Ambient temperature - Series GFA212: | min. 0°C, max. +70°C |
Ambient temperature - Series GFA300: | min. 0°C, max. +58°C |
Connections, Internal thread (G): | ISO 228/1 |
Connections, External thread (G): | ISO 228/1 |
Material, in contact with water |
Components: Brass, Cast iron, Steel Sealing materials: PTFE, Aramid fibre, EPDM |
Integrated pump
Wilo PARA 25-130/6-43/SC | |
Power supply: | 230 ± 10% V AC, 50/60 Hz |
Power consumption: | 3 — 43 W |
Enclosure rating: | IP X4D |
Insulation class: | F |
EEI (Energy Efficiency Index), circulation pump: | <0,20 |
Wilo PARA 25-130/8-75/SC | |
Power supply: | 230 ± 10% V AC, 50/60 Hz |
Power consumption: | 10 — 75 W |
Enclosure rating: | IP X4D |
Insulation class: | F |
EEI (Energy Efficiency Index), circulation pump: | <0,21 |
Grundfos UPM3 AUTO 25-50 130 | |
Power supply: | 230 ± 10% V AC, 50/60 Hz |
Power consumption: | 4 — 33 W |
Enclosure rating: | IP44 |
EEI (Energy Efficiency Index), circulation pump: | <0,20 |
Grundfos UPM3 AUTO 25-70 130 | |
Power supply: | 230 ± 10% V AC, 50/60 Hz |
Power consumption: | 2 — 52 W |
Enclosure rating: | IP44 |
EEI (Energy Efficiency Index), circulation pump: | <0,20 |
Wilo PARA STG 15-130/8-60/0 | |
Power supply: | 230 ± 10% V AC, 50/60 Hz |
Power consumption: | 2 — 60 W |
Enclosure rating: | IP X4D |
Insulation class: | F |
EEI (Energy Efficiency Index), circulation pump: | <0,20 |
Integrated valve
ESBE VTA378 | |
max. Differential pressure drop: | 100 kPa (1bar) |
Temperature range: | 20 - 55⁰C |
Temperature stability: | ±3⁰C* |
*: | * Valid at unchanged hot/return water pressure, minimum flow rate 9 l/min. Minimum temperature difference between hot water inlet and mixed water outlet 10°C and recommended maximum temperature difference between return water and mixed water outlet: 10°C |
ESBE VTA572, DN20-4,5 | |
max. Differential pressure drop: | 100kPa (1bar) |
Temperature range: | 20 - 55⁰C |
Temperature stability: | ±3⁰C * |
*: | * Valid at unchanged hot/return water pressure, minimum flow rate 9 l/min. Minimum temperature difference between hot water inlet and mixed water outlet 10°C and recommended maximum temperature difference between return water and mixed water outlet: 10°C |
ESBE VTA572, DN25-4,8 | |
max. Differential pressure drop: | 100kPa (1bar) |
Temperature range: | 20 - 55⁰C |
Temperature stability: | ±3⁰C * |
*: | * Valid at unchanged hot/return water pressure, minimum flow rate 9 l/min. Minimum temperature difference between hot water inlet and mixed water outlet 10°C and recommended maximum temperature difference between return water and mixed water outlet: 10°C |
Conformity
SI 2016 No. 1105

EMC 2014/30/EU
RoHS3 2015/863/EU
ErP 2009/125/EU

SI 2016 No. 1091
SI 2012 No. 3032
SI 2010 No. 2617



Dimensioning
Wiring
Spare parts
Options
Download area
Type | Preview | Download |
Data sheet | GFA200, GFA300 |
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Data sheet | GFA300 Campaign 2023 |
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Installation instruction | GFA200 |
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Installation instruction | GFA300 |
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Installation instruction | GFA300 Campaign 2023 |
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Installation instruction | GFA200 (DN25/DN32), Wilo Pump (de, en, fr) |
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Installation instruction | GFA200 (DN25/DN32), Wilo Pump (cs, sk) |
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Installation instruction | GFA200 (DN25/DN32), Grundfos Pump |
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Installation instruction | GFA300 (DN20), Wilo Pump |
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Certificate | Declaration of Conformity, GFAx00 |
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Certificate | Declaration of Conformity UKCA, GFAx00 |
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Certificate | Building Product Declaration BPD3, GFA200 |
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Certificate | Building Product Declaration BPD3, GFA300 |
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Image | GFA211, high res |
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Image | GFA212, high res |
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Image | GFA311, high res |
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2D Image | GFA211 |
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2D Image | GFA212 |
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2D Image | GFA311 |
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3D drawing (stp file) | GFA211, DN25 |
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3D drawing (stp file) | GFA211, DN32 |
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3D drawing (stp file) | GFA212, DN25 |
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3D drawing (stp file) | GFA212, DN32 |
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3D drawing (stp file) | GFA311, DN20 |
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Applications
Circulation unit with thermostatic fixed temperature control for under floor heating.
Products
GFA200, GFA300Return temperature unit designed for solid fuel applications, where a return temperature control is required.
Return temperature unit designed for solid fuel applications, where a return temperature control is required.
Products
GST200Quick links
New generation ESBE circulation units |