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AhlsellProductsHeating and SanitationHeatingAccumulator tanks

Accumulator tanks

Accumulator tanks
Charging packages and accessories

Are you in need of accumulator tanks for your HVAC project? At Ahlsell, you will find a wide range of storage tanks at an affordable price. We put a high value on reliable products that last for us and that is why we provide heating solutions and accessories of high quality to our customers. Our heating products are suitable for all types of projects, no matter if you are working on commercial properties or private residences. We are more than happy to assist you in choosing the best option. Please feel free to explore our entire collection of storage tanks on this website or visit your nearest Ahlsell location to find out more.

Water heater MS, OSO
Oso
Water heater MS, OSO
Art. no.: 6938209
MAXI STANDARD — MS. Our best-selling industrial boiler MAXI series has for 50 years demonstrated outstanding operational reliability for larger boiler installations. MAXI is constructed with EVERLAST™ high-alloy stainless steel combined with ULTRAWELD™ technology, and has market-leading insulation properties that provide great economic profits MAXI is available in 400-10,000 L with 10 bar pressure class and can be customized as required.
MAXI STANDARD — MS fits most hot water needs, is Norway's best-selling industrial water heater and is heated using the built-in electrical central or from solar collectors with OSO TURBOSYSTEM (see MAXI — M). The power plant has switchable power 5–15 kW (400-1000L) 5-30kW (2000-10000L), 400 V-3-phase, and is thermostatically controlled 50 - 75 °C in three steps with separate thermal releases. Contactors are not needed and included cables are connected directly to the central units. Safety valve 9 bar included.
The mounting sets for cold water intake, mixer center, disc changer, pump center and series/parallel connection (optional) are specially designed to fit seamlessly into the front of the MAXI series.
With the central mixer, the temperature can be adjusted down to the taps directly from the boiler.
Shipping is added on non-stocked products.
Water heater MS, OSOWater heater MS, OSOWater heater MS, OSO
Charging Package Laddomat 21-60 ERP, Thermostatic Valves
Termoventiler AB
Charging Package Laddomat 21-60 ERP, Thermostatic Valves
Art. no.: 6861901
This Laddomat charger is supplied with a pump that is ErP-ready 2015.
For charging with a “clean" wood boiler, maximum power 60 kW, for a complete tank, equipped with water heater and shunt to the heating system. The Laddomat 21 brings the boiler quickly up to a working temperature of about 80°C. Then it does overcharging to the tank with a high, even temperature. The Laddomat 21’s most appreciated characteristic is the built-in automatic throttling of the internal flow. This throttling function ensures that the entire tank is fully charged. After firing is complete, the Laddomat 21 takes advantage of some of the residual heat in the boiler and the embers by transferring the hot water in the boiler to the tank by natural circulation. The energy stays in the tank rather than going up the chimney. The built-in check valve with extra-large through-flow charges the tank during power outages. It automatically opens and transfers the tank heat by natural circulation. The Laddomat 21-60 is supplied, in its standard configuration, with EPP insulation and proper shut-off valves, R32, with lever. The extra-large openings in the ball valves contribute to the good natural circulation.
Charging Package Laddomat 21-100 ERP, Thermostatic Valves
Termoventiler AB
Charging Package Laddomat 21-100 ERP, Thermostatic Valves
Art. no.: 6861925
This Laddomat charger is supplied with a pump that is ErP-ready 2015.
For charging with a “clean" wood boiler, maximum power 120 kW, for a complete tank, equipped with water heater and shunt to the heating system. The Laddomat 21-100 brings the boiler quickly up to a working temperature of about 80°C. Then it does overcharging to the tank with a high, even temperature. The Laddomat 21’s most appreciated characteristic is the built-in automatic throttling of the internal flow. This throttling function ensures that the entire tank is fully charged. After firing is complete, the Laddomat 21 takes advantage of some of the residual heat in the boiler and the embers by transferring the hot water in the boiler to the tank by natural circulation. The energy stays in the tank rather than going up the chimney. The built-in check valve with extra-large through-flow charges the tank during power outages. It automatically opens and transfers the tank heat by natural circulation. The Laddomat 21-100 is supplied, in its standard configuration, with EPP insulation and proper shut-off valves R32 with lever. The extra-large openings in the ball valves contribute to the good natural circulation.
Accumulator tank M, OSO
Oso
Accumulator tank M, OSO
Art. no.: 6465992
MAXI — M
Heat / hot water accumulator in stainless steel for, among other things, TURBO systems
MAXI-M is available in 400–10,000 L with a 10 bar pressure class and can be customized as needed.
MAXI — M is perfectly suited for the accumulation of hot water in larger facilities, for example from other variants in the MAXI series (MS / MX / MC / MGC) or directly from an alternative energy source. MAXI is optimized for the highly efficient OSO TURBO SYSTEM (VX/LP exchanger/Pump kit, accessories) with stainless plate heat exchanger (optional power) and double charging pumps for extra operational reliability. Cold water is pumped from the bottom of the accumulator through the heat exchanger and throttle valve, and charges the accumulator from the top. With low consumption, only the plate heat exchanger is used directly. In case of large consumption, the surplus is taken from accumulator(s). After full discharge, OSO TURBOSYSTEM immediately provides hot water again.

For selection of accessories:
1. Choose VVB according to the VV need.
2. Select VX/LP according to power requirements.
3. Select valve pipe (valve set) and Mixing valve according to the flow required.

Shipping is added on non-stocked products.
Accumulator tank M, OSO
Water heater MC, OSO
Oso
Water heater MC, OSO
Art. no.: 6831353
MAXI COIL — MC
Energy flexibility with electric or boiler operation
For 50 years, the MAXI series has demonstrated outstanding operational reliability for larger boiler installations. Constructed with EVERLAST™ high-alloy stainless steel in combination with ULTRAWELD™ technology, MAXI has market-leading insulation properties that deliver major energy saving gains. MAXI is available in 400–1000 L with a 10 bar pressure class and can be customized as needed.
MAXI COIL — MC is ideal for electric operation during the summer/boiler operation during the winter, and is an excellent alternative to TURBO systems for smaller hot water needs. MAXI COIL comes as standard with a stainless steel coil of 1.0 m².
Electric central is standard with optional connection 5-15 kW, 400 V-3 phase, and is thermostatically controlled 50 - 75 °C in three stages with separate thermal releases. Contactors are not needed and included cables are connected directly to the central units.
Safety valve 9 bar included.
The mounting sets for cold water intake, mixer center, disc changer, pump center and series/parallel connection (optional) are specially designed to fit seamlessly into the front of the MAXI series.
With the central mixer, the temperature can be adjusted down to the taps directly from the boiler.
Shipping is added on non-stocked products.
Water heater MC, OSOWater heater MC, OSO
Accumulator tank Maxi Accu MA Cool, OSO
Oso
Accumulator tank Maxi Accu MA Cool, OSO
Art. no.: 6228001
MAXI ACCU - MA works as a cooling accumulator tank with GLAVAFLEX insulation 19mm. Options are available on 32mm insulation.
The insulation and the outer casing are diffusion-sealed to the room air to prevent the formation of condensation against the interior cold tank surface.
The MAXI ACCU is suitable for room air conditioners with a cooling machine where the cooling tank is a necessary buffer for the system.
Mounting kit for serial / parallel connection (optional) for larger needs is available, and fits seamlessly in the front.
Material in the tank, Stainless 304.
Attention! 6228003 to 6228006, 2000 to 10000L are price on request. Shipping costs will be added.
600L is the 4xFlange DN80 connection.
1000 to 3000L is the 4xFlange DN100 connection.
5000 to 10000 is the 4xFlange DN150 connection.
Accumulator tank Maxi Accu MA Cool, OSO
Ball valve for Laddomat, Termoventiler
Termoventiler AB
Ball valve for Laddomat, Termoventiler
Art. no.: 5813364
Shut-off valve for eg circulation pumps or eg Laddomat 10, 11-100 or 21-60.
Our lever ball valves have a stuffing box and compression nut around the spindle. If the valve should start to leak, you can easily tighten the nut, which compresses the stuffing box further and the leakage disappears. You can also remove the nut and "repack" the seal, without draining the system. All seals are made of Teflon, ie no rubber seals that can age / leak. This means that you do not have to change the valve, even after many years of operation. Your facility will be very reliable. In addition to this, the operation is very reliable with a real steel handle instead of an Allen key that can "tooth over" if the valve is sluggish.
Ball valve for Laddomat, TermoventilerBall valve for Laddomat, TermoventilerBall valve for Laddomat, Termoventiler
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