Joule Invacyl Slimline In-Direct Unvented Cylinder 150 Litre - Stainless Steel
Shipping time: 2–7 days
Please call us for precise delivery dates.
Get Free Delivery on Orders Over £60
For more details, please refer to our Shipping Information.
Description
The Joule Invacyl Slimline In-Direct Unvented Cylinder 150 Litre is a compact, high-performance stainless‑steel hot water storage cylinder designed for unvented mains‑pressure systems. With 139.78 L usable capacity and a powerful stainless‑steel heat coil, it delivers reliable mains‑pressure hot water in space‑restricted installations. Dense PU foam insulation and corrosion‑resistant LDX 2101 construction minimise heat loss and maintenance, while a 25‑year warranty ensures long‑term confidence.
Key Features
- Actual capacity: 139.78 L usable hot water.
- Slimline stainless‑steel cylinder: LDX 2101 for corrosion resistance and durability.
- Indirect heating coil: 316L stainless‑steel coil rated 16.33 kW with 0.76 m² surface area for efficient heat transfer.
- High insulation: Dense PU foam to reduce standby heat loss (1.608 kW/24h).
- Mains‑pressure operation: Max mains water pressure 10 bar; operating pressure 7 bar for strong delivery.
- Immersion ready: 3 kW @ 230 V immersion specification.
- Robust outer finish: Coated mild steel casing for added protection.
- Low primary resistance: Coil resistance 0.2 bar; coil max primary pressure 6 bar for efficient circulation.
- Safety & standards: Tested to BS EN 12897:2016; safety valve set to 90 °C.
- Warranty: 25‑year warranty for long service life.
Ideal Use Cases
- Family homes and apartments where space is limited but mains‑pressure hot water is required.
- Renovation or new‑build projects needing a compact unvented cylinder.
- Systems using boilers, heat pumps or solar thermal as the primary heat source.
- Utility rooms or plant rooms with constrained footprints.
- Properties requiring reliable, low‑loss hot water storage with high heat‑exchange capacity.
Product Specifications
| Specification | Value |
|---|---|
| Product model | Joule Invacyl Slimline In-Direct Unvented Cylinder 150 Litre |
| Actual capacity (Ltr) | 139.78 |
| Max mains water pressure (Bar) | 10 |
| Operating pressure (Bar) | 7 |
| Operating temperature (°C) | 60 |
| Safety valve temperature (°C) | 90 |
| Unit weight empty (kg) | 38 |
| Unit weight full (kg) | 177 |
| Cylinder material | LDX 2101 |
| Outer casing | Coated mild steel |
| Thermal insulation | Dense PU foam |
| Foam thickness | 0 |
| Heat loss (kW/24h) | 1.608 |
| Coil material | 316L stainless steel |
| Coil 1 rating (kW) | 16.33 |
| Coil 1 surface area (m²) | 0.76 |
| Coil 1 max primary pressure (Bar) | 6 |
| Coil 1 resistance (Bar) | 0.2 |
| Immersion spec | 3 kW @ 230 V |
| No immersions | 1 |
| No heat exchangers | 1 |
| Tested to standard | BS EN 12897:2016 |
| Warranty terms (Year) | 25Y |
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 £60 & above)
We offer FREE delivery on orders £60 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 0–5 kg, the shipping cost is £2.99 with a delivery time of 2–4 working days.
- For cart weight between 5–25 kg, the shipping cost is £7.99 with a delivery time of 2–4 working days.
- For cart weight between 26–40 kg, the shipping cost is £15.98 with a delivery time of 2–4 working days.
- For cart weight of 41 kg and above, the shipping cost is £31.96 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.