Main 210 Litre Indirect Unvented Hot Water Cylinder - 5133564
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Description
The Main 210 Litre Indirect Unvented Hot Water Cylinder – 5133564 is a UK-manufactured stainless steel cylinder designed to provide reliable mains-pressure hot water for larger domestic properties. Heated indirectly by a gas, oil or system boiler, this 210-litre cylinder includes a factory-fitted Incoloy 800 immersion heater for backup heating.
Featuring a 22mm stainless steel coil-in-coil heat exchanger with a 16kW rating, the cylinder is designed for rapid heat recovery. Its 50mm CFC/HCFC-free polyurethane foam insulation helps minimise heat loss, while the supplied 18-litre expansion vessel, 2-port motorised valve and factory-fitted controls provide an integrated installation solution.
Applications & suitability
The 210-litre capacity provides substantial hot water storage for larger domestic properties.
Designed for homes with multiple bathrooms requiring a dependable stored hot water supply.
Compatible with indirect heating from gas, oil or system boilers through its primary coil.
A factory-fitted 3.0kW Incoloy 800 immersion heater provides backup heating capability.
Key specifications
| Product Code | 5133564 |
| Type | Indirect Unvented |
| Nominal Capacity | 210 Litres |
| Height (A) | 1499 mm |
| Diameter | Ø 550 mm cylinder / 595 mm base |
| Weight (Empty) | 42 kg |
| Coil Rating | 16 kW |
| Coil Heat-Up Time | 41 mins |
| Recovery Time | 29 mins |
| Standing Heat Loss | 2.30 kWh/24h |
| ErP Energy Rating | C |
| Operating Pressure | 3.5 bar |
| Expansion Vessel | 18 Litre (Supplied) |
| Immersion Heater | 1 × 3.0 kW Incoloy 800 @ 240V |
| Connections | 22mm Compression / ¾" BSP |
| Warranty | 25 Years Inner Vessel / 1 Year Parts & Labour |
Installation & compatibility
The Main 210 Litre Indirect Unvented Cylinder is designed for indirect heating from a gas, oil or system boiler through its 16kW stainless steel coil-in-coil heat exchanger. It is supplied with an 18-litre expansion vessel, T&P relief valve, pressure reducing valve, 2-port motorised valve and factory-fitted controls. The cylinder uses 22mm compression / ¾" BSP connections and operates at 3.5 bar.
Design & performance benefits
The 22mm stainless steel coil-in-coil heat exchanger has a 16kW rating and is designed for rapid heat recovery.
The high-grade stainless steel inner vessel is pressure tested to 15 bar.
Factory-injected 50mm CFC/HCFC-free polyurethane foam helps minimise heat loss from the stored water.
A factory-fitted 3.0kW Incoloy 800 immersion heater provides backup electric heating.
Additional installation features
An 18-litre expansion vessel is supplied with the cylinder as part of the installation package.
A supplied 2-port motorised valve provides primary over-temperature protection.
KIWA approved for compliance with Water Regulations and Building Regulation G3, with CE marking.
Ideal for
The 210-litre storage capacity is suited to larger homes with increased hot water requirements.
Designed for domestic properties with multiple bathrooms requiring stored hot water.
Pairs with Main Eco Compact System or Main Eco Elite System boilers for an indirect domestic hot water setup.
Combines indirect boiler heating with a factory-fitted Incoloy 800 immersion heater for backup.
The Main 210 Litre Indirect Unvented Hot Water Cylinder – 5133564 combines 210-litre mains-pressure hot water storage with a 16kW stainless steel coil-in-coil heat exchanger, 50mm polyurethane insulation and a factory-fitted Incoloy 800 backup immersion heater. With KIWA approval, G3 compliance, an 18-litre expansion vessel and a 25-year stainless steel inner vessel warranty, it provides a practical solution for larger domestic hot water systems.
Shipping Information
At GetPlumb, we strive to provide reliable and cost-effective delivery options to our customers. Please review our shipping policy below.
🆓 Free Local Delivery (Orders £100 & above)
We offer FREE delivery on orders £100 or more
for selected local areas.
Eligible Postcodes Include:
- RG*
- SL*
- OX10*, OX11*, OX49*
- HP1*, HP3*, HP8*, HP9*, HP10*, HP11*, HP12*, HP13*, HP14*
- WD*, HA*, UB*, TW*, KT*
- W1* – W9*
- NW*, SW*
Delivery Time: 2–4 working days
Shipping Cost: £0.00
📦 Standard Shipping (Weight-Based Rates)
For orders that do not qualify for free delivery, standard
shipping rates apply based on total cart weight.
- For cart weight between 0–2 kg, the shipping cost is £4.50 with a delivery time of 2–4 working days.
- For cart weight between 2–24 kg, the shipping cost is £9.99 with a delivery time of 2–4 working days.
- For cart weight between 24 kg and above, the shipping cost is £60 with a delivery time of 2–4 working days.
🧱 Block Salt (Harvey’s) – Unit-Based Shipping
This rate applies only to Harvey’s block salt products.
- £7.99 is charged for every 3 items.
- The charge increases by £7.99 for each additional set of 3 items.
Examples:
- 1–3 items → £7.99
- 4–6 items → £15.98
- 7–9 items → £23.97
Delivery Time: 2–4 working days
📏 Large / Long Items (Length-Based Shipping)
For oversized items where the product length is 1.5 metres or more:
Conditions:
- Product length ≥ 1.5 m
- Cart weight ≤ 40 kg
Shipping Cost: £18.00 (flat rate)
Delivery Time: 2–4 working days
Collection from Store
Customers can also choose to collect their order from our store in
Reading, UK, at no additional charge. For any questions regarding shipping, please contact our support team at online@getplumb.co.uk.
