Joule Invacyl Unvented 90L Direct Cylinder Standard 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 Unvented 90L Direct Cylinder is a compact, stainless-steel hot water storage cylinder engineered for unvented systems. It delivers mains-pressure hot water for showers, taps and appliances while maintaining efficient thermal retention and reliable performance. Ideal for small homes, flats or renovation projects, it offers durable construction, low heat loss and long-term warranty protection.
Key Features
- 90-litre capacity suited to small households and flats
- LDX 2101 stainless steel cylinder for corrosion resistance and extended life
- Dense PU foam insulation (50 mm) for low heat loss (1.25 kWh/24h)
- Single 3 kW immersion heater (3 kW @ 230 V) for effective water reheating
- Coated mild steel outer casing for protection and clean appearance
- Supports high mains pressure (up to 10 bar) with operating pressure 7 bar for consistent flow
- Safety temperature up to 90°C and tested to BS EN 50440:2015
- 25-year warranty for long-term reliability
Ideal Use Cases
- Small residential homes, flats and apartments
- Renovation or retrofit projects where space is limited
- Bathrooms and kitchens requiring mains-pressure hot water for one or two outlets
- Properties seeking a low-maintenance, energy-efficient hot water cylinder
- Small offices or commercial spaces with modest hot water demand
Product Specifications
| Specification | Value |
|---|---|
| Product model | Joule Invacyl Unvented 90L Direct Cylinder |
| Actual capacity (L) | 90 |
| Unit weight empty (kg) | 21 |
| Unit weight full (kg) | 111 |
| 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) | 1.25 |
| 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.