RM Stelflow 250L High Gain Indirect Cylinder - TRSMVH-0250LFC
Shipping time: 2–7 days
Please call us for precise delivery dates.
Description
The RM Stelflow 250L High Gain Indirect Cylinder (TRSMVH-0250LFC) is a high-performance indirect hot water cylinder engineered for reliable, efficient domestic and light-commercial hot water systems. Designed to work with external boilers or heat sources via its large stainless-steel coil, it delivers stable, high-capacity hot water while minimising heat loss. Suited to homes, apartments, and commercial installations, it offers durable construction, strong thermal insulation and long-term reliability for installers and end users.
Key Features
- 236 L actual hot water capacity — large usable volume for family or multi-point use
- High-gain indirect design compatible with external boilers and central heating systems
- Single 316L stainless-steel coil (26.7 kW rating, 2.5 m² surface) for efficient heat transfer
- Durable LDX 2101 stainless-steel cylinder for corrosion resistance and longevity
- Coated mild steel outer casing with dense PU foam (50 mm) insulation to reduce standby heat loss
- Low heat loss (1.752 kWh/24h) for improved energy efficiency and lower running costs
- Safety rated to 90 °C and tested to BS EN 12897:2016 for performance and reliability
- High-pressure capability: max mains 10 bar, operating pressure 7 bar (coil max primary 6 bar)
- Single immersion port (immersion spec 3) and one heat exchanger for simplified installation
- 25-year warranty for long-term assurance
Ideal Use Cases
- Residential family homes needing a large domestic hot water store
- Multi-bathroom properties and apartments with multiple simultaneous hot water draws
- Small to medium commercial buildings or staff facilities requiring reliable hot water supply
- Integration with boilers, heat pumps, or central heating systems as an indirect cylinder
- Renovation projects replacing older cylinders where improved insulation and capacity are required
- Kitchens, bathrooms and utility areas demanding consistent hot water performance
Product Specifications
| Specification | Value |
|---|---|
| Product model | RM Stelflow 250L High Gain Indirect Cylinder (TRSMVH-0250LFC) |
| Actual capacity (Ltr) | 236 |
| Unit weight empty (kg) | 57.6 |
| Unit weight full (kg) | 293.4 |
| No immersions | 1 |
| Immersion spec | 3 |
| No heat exchangers | 1 |
| Coil 1 rating (kW) | 26.7 |
| Coil 1 surface area (m²) | 2.5 |
| Coil 1 max prim pressure (Bar) | 6 |
| Coil 1 resistance (Bar) | 0.07 |
| Max mains water pressure (Bar) | 10 |
| Operating pressure (Bar) | 7 |
| Operating temp (°C) | 60 |
| Safety valve temp (°C) | 90 |
| Thermal insulation | Dense PU foam |
| Foam thickness (mm) | 50 |
| Cylinder material | LDX 2101 |
| Outer casing | Coated mild steel |
| Coil material | 316L stainless steel |
| Heat loss (kWh/24h) | 1.752 |
| 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.
