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315mm Water Heating Battery (Water To Air)

Model: DUCWHB-315
Search: QS9994
  • 315mm Water Heating Battery (Water To Air)
  • 315mm Water Heating Battery (Water To Air)
  • 315mm Water Heating Battery (Water To Air)
Availability: up to 14 Days Non-returnable
 £633.37 Inc VAT
  • DETAILS

    A water heating battery is for heating air in ventilation systems with circular ducts.
    Aluzinc-coated casing, heat transmission element with copper tubes and aluminium fins.

    Removable cover for cleaning the unit.
    The water-heating battery can be installed in a horizontal or a vertical duct with optional direction of airflow.
    Max operating temperature of 150 °C
    Max operating pressure 1,6 MPa (16Bar)
    2-rows battery
    Water connecting
    When connecting a heater to the water system, the following things should be considered:

    1. The heater must be connected with clamping ring connectors.
    2. The connecting pipes from the heat exchanger must under no circumstances be subjected to twisting or bending stresses when assembling the pipe connectors etc. Use suitable tools to counteract the twisting/bending moments during assembly.
    3. Ensure that forces due to expansion in the system and the intrinsic weight of the piping system itself do not put loads on to the heat exchanger.
    4. The water inlet should normally be connected to the lowest pipe connector in order to facilitate venting of the heat exchanger. A venting valve should normally be installed near the heat exchanger or at the highest point in the system.
    5. The heater must be connected in such a way that the system is easy to empty in the event of repair work, a longer operational stop, or when there is a risk of freezing, etc.
    6. Immediately after the system has been filled with water, the duct heater and its connections must be checked for water leaks. Leaks can cause water damage.

    Operational data:

    Max. operating temperature: 150°C
    Max. operating pressure: 1,6 MPa (16 Bar)

    WARNING!! If the water in the heat exchanger freezes, then it can burst, if this is the case water may leak from the system and cause water damage.If there is a risk of frost the heater must be installed with a circulation pump in a secondary circuit to ensure that a constant flow is achieved in the heater.

    A frost protection thermostat or regulator with automatic frost protection must also be installed to shut off the fans and outside air damper in the system, and possibly switch on an alarm.

    Cleaning

    The heat exchanger must be cleaned regularly in order to retain the best performance from the heater. The cleaning interval depends entirely on the cleanliness of the air and how the filter and remainder of the system are maintained.

    The heat exchanger is readily accessible for cleaning when the cover on the heater is removed. First, the air entry side of the heat exchanger is cleaned with a brush and then the whole heat exchanger can be cleaned with compressed air, water or steam.

    The dirt is blown or washed away in a direction away from the exit side towards the entry side. Cleaning is facilitated by using a mild detergent (check first that the detergent does not have a detrimental effect on copper and aluminium).

    Be careful not to damage the thin fins on the heat exchanger.

    Mounting

    The heater is designed to be inserted into standard spiral ducting and is fixed to the ducting with screws.

    The heater should not be fitted too close to a fan outlet or a bend in the ducting because then there is a risk that the airflow through the heat exchanger is uneven which can result in lower efficiency.

    An effective filter is recommended in the system to reduce maintenance work. See under the heading Cleaning.

    The duct heater can be fitted in a horizontal or a vertical duct with an optional direction of airflow. To facilitate venting of the heat exchanger, the unit should be fitted with the longitudinal tubes horizontal. The heater is normally fitted after the fan. However it can be fitted before the fan, but then a check must be made that the fan motor and other components are approved for the elevated temperature after the heater.

  • FEATURES

    Features

    • Water-heating battery for heating air in ventilation systems with circular ducts.
    • Please note this item is made to order and may have a variable lead time and cannot be returned.
    • Aluzinc-coated casing, heat transmission element with copper tubes and aluminium fins. Removable cover for cleaning the unit.
    • The water-heating battery can be installed in a horizontal or a vertical duct with optional direction of airflow.
    • Max operating temperature 150 °C. Max operating pressure 1,6 MPa (16Bar)
  • TECHNICAL

    Technical Specifications

    Made to order Yes
    Product Category Duct Heaters
    Round System (mm) 315
    Product Type Water Heating Battery
    Product Group Metal Ducting
    Economy Delivery Not Eligible
    Next Day Delivery Not Eligible
    Quick Search: QS9994
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  • Q & A

    Product Questions

    Questions and Answers, do you need more information about this product?

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    Your question will be sent to a member of our team. We'll email you the answer and post it on this page. If your question is about an order you already placed, please use our Contact Form to reach the customer service team.

    #1
    connection

    is this unit sutable to be connected to a air source heat pump?

    Question by Brian, 21-07-2019

    Hello Brian

    The operating tolerance of this battery is +150 degrees C so would depend on what temperatures we are expecting. This is plumbed in to a hot water heating system and air is warmed as it passes over the coil, if you already have an air source heat pump, the question is why would you need an additional heater? 

    Replied by i-sells, 22-07-2019
  • DELIVERY
    Delivery: You'll receive in: Cost Min Order
    Free Delivery 3 to 5 Days FREE £100
    Standard 2 to 4 Days £4.99 -
    Express Courier Next day+ £9.95 Any

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    FREE Delivery for orders over £100 inc VAT.

    + Order before noon for Next Working Day Delivery for items in stock

    Excludes Highlands, Islands, and Certain Postcodes.

    Please Note:
    Ducting tubes over 200mm in diameter and 3 metres in length may incur additional shipping charges.

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