Joule Invacyl Slimline Direct Unvented Cylinder 90L
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 Direct Unvented Cylinder (90L) is a compact, high-quality stainless steel hot water cylinder engineered for unvented mains-pressure systems. Its slim profile delivers reliable, mains-pressure hot water for showers, taps and appliances while saving space in plant rooms or cupboards. With efficient insulation and durable construction, it provides low heat loss and dependable performance for small homes, flats and retrofit projects.
Key Features
- 90-litre capacity ideal for small households and apartments
- LDX 2101 stainless steel cylinder for corrosion resistance and long life
- Slimline design to maximise volume in a smaller footprint
- Dense PU foam insulation (50 mm) for improved heat retention (heat loss 1.15 kWh/24h)
- Single 3 kW immersion heater (3 kW @ 230 V) for effective reheating
- Coated mild steel outer casing for protection and neat appearance
- Supports high mains pressure (up to 10 bar) with operating pressure 7 bar for reliable flow
- Safety temperature up to 90°C; tested to BS EN 50440:2015
- 25-year warranty for long-term assurance
Ideal Use Cases
- Small residential homes, flats and apartments
- Renovation and retrofit projects with limited space
- Bathrooms and kitchens requiring mains-pressure hot water for one or two outlets
- Small offices or commercial spaces with modest hot water demand
- Installations seeking a low-maintenance, energy-efficient cylinder with a small footprint
Product Specifications
| Specification | Value |
|---|---|
| Product model | Joule Invacyl Slimline Direct Unvented Cylinder (90L) |
| Actual capacity (L) | 90 |
| Unit weight empty (kg) | 22 |
| Unit weight full (kg) | 106 |
| Cylinder material | LDX 2101 (stainless steel) |
| Outer casing | Coated mild steel |
| Thermal insulation | Dense PU foam |
| Foam thickness (mm) | 50 |
| No. of immersions | 1 |
| Immersion spec (kW @ 230 V) | 3 kW @ 230 V |
| Max mains water pressure (Bar) | 10 |
| Operating pressure (T & P) (Bar) | 7 |
| Safety temperature (°C) | 90 |
| Heat loss (kWh/24h) | 1.15 |
| Tested to standard | BS EN 50440:2015 |
| Warranty terms (years) | 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.
