Dunster Heat Limited are one of the largest suppliers of wood fuelled boilers and accumulators in the country.

We are a major UK agents of Vigas Boilers

To view specifications click here.

To view brochure with full details click here.

Plumbing Schematic click here.

 

 

 

 

 

 

 

 

 

 

Vigas Products: (boilers)

Vigas 16 AK3000 Lambda Control
Vigas 25 AK3000 Lambda Control
Vigas 40 AK3000 Lambda Control

Vigas 16 AK3000 S
Vigas 25 AK3000 S
Vigas 40 AK3000 S
Vigas 60 AK3000 S
Vigas 80 AK3000 S
Vigas 100 AK 3000 S

Accessories:

V25 Chimney draught regulator for Vigas 25
V80 Chimney draught regulator for Vigas 60,80,100
Thermal Safety Valve TS130 3/4"

AKVA standard Accumulator Tank:

MODEL	DIAMETER (mm)	HEIGHT (mm)	WEIGHT (kg)	RESISTOR UNITS
AKVA 300 EK	710	2050	130	2
AKVA 500 EK	800	2050	155	2
AKVA 750 EK	950	2050	200	2
AKVA 1000 EK	1050	2100	230	2
AKVA 1500 EK	1250	2150	280	3
AKVA 2000 EK	1400	2200	330	4
AKVA 2500 EK	1500	2250	360	4
AKVA 3000 EK	1600	2300	400	4
AKVA 4000 EK	1800	2350	480	6
AKVA 5000 EK	2000	2500	600	6

 

EK = Isolated and with one coil
Diameter 200mm smaller without insulation

AKVASAN Renovation Accumulator Tank

MODEL	DIAMETER (mm)	HEIGHT (mm)	WEIGHT (mm)	RESISTOR UNITS
AKVASAN 0,5 EK	810	1550	130	2
AKVASAN 0,5 E	810	1550	120	1
AKVASAN 0,7 EK	810	2050	160	2
AKVASAN 0,7 E	810	2050	150	1

 

EK = Isolated and with one coil E = Isolated

AKVANTTI oval accumulator tank

MODEL	HEIGHT/WIDTH (mm)	DEPTH (mm)	WEIGHT (kg)	RESISTOR UNITS
AKVANTTI 1400 EK	1660/1630	810	420	3
AKVANTTI 1400E	1660/1630	810	410	3
AKVANTTI 2000 EK	1840/2060	810	500	4
AKVANTTI 2000 E	1840/2060	810	490	4
AKVANTTI 2400 EK	2160/2060	810	560	4
AKVANTTI 2400 E	2160/2060	810	550	4

Accumulator Tanks for various needs
Made suitable for the various uses. The structural pressure is usually 3 or 4 bar. The capacity, hatches, units, hot water coils and other units are manufactured according to the customers requirements.

Cold Storage Tanks and Pressure Vessels
Cold Storage tanks, such as those made with stainless steel, are tailored for our customers according to the functional application. Storage tanks and pressure vessels can be used as storage units for various raw materials, as cold storages, equalising tanks, in recovery systems, and for other purposes. All necessary additional accessories, such as extra hatches, units, coils, mounting brackets e.t.c. are included when ordering the aforementioned tanks. The maximum diameter is 2400mm.

Electrical accessories
The accumulator's electric resistor units can be factory installed. The resistor material is high-quality Incology 825. The night electricity accumulator's accessories include 2-3 electric resistors for night time use as well as daytime resistors. The delivery also includes thermostats for night time and daytime use, manufactured to comply with the Finnish Electricity Association's drawing no. SLY 3.2, as well as a single overheating protector. If necessary the accumulator tank can be supplied with its own control panel. The accumulators' electrification can also be carried out according to the customer's preferences.

Hot water coil
Besides the standard coil, AKVA hot water coils are manufactured as ø 22 mm finned copper tubes for flows of 20-200 l/min (capacity 50-500 kW) according to the customer's dimensions. Structural pressure 10 bar.

MODEL	CAPACITY kW	DIAMETER (mm)	LENGTH (mm)	UNIT R"male	FLOW l/min
AKVA LK 35	90	160	750	¾	35
AKVA LK 45	120	160	950	¾	45
AKVA LK 60	150	160	1250	1	60
AKVA LK 80	205	250	900	1 ¼	80
AKVA LK 100	255	300	1000	1 ½	100
AKVA LK 120	310	300	1100	2	120

 

AKVAir Solar

The sunny side of heating.

Ensure your heat accumulation with tested and reliable Akvaterm accumulator tanks. Lower your carbon dioxide footprint by improved efficiency with solar, biomass or any other heating. AKVAir Solar models are designed to get the most heat out of your solar heating system. Combining solar with the AKVAir Solar models to any new or existing heating and you'll be using the least fuel while getting the most out of your solar.

Akvaterm is a European leader at accumulator tanks and special vessels. We have decades of experience in HEAT and COLD, which combined with our high quality and production capabilities provides overwhelming efficiency, continuous warmth and comfort to your living. In addition to our standard accumulator tanks optimized to your heating, we provide vessels for your different requirements of heating and cooling according to your specifications or eg. room measurements. We will gladly help you to define the build-up or specify equipment needed.

MODEL	DIAMETER (mm)	HEIGHT (mm)	COILS	INSULATION (Seamless Urethane)
AKVAir 300 Solar	650	2050	LK + Solar Coil	70mm
AKVAir 500 Solar	800	2050	2xLK + Solar Coil	100mm
AKVAir 750 Solar	950	2100	2xLK + Solar Coil	100mm
AKVAir 1000 Solar	1050	2100	2xLK + Solar Coil	100mm