Heatrae Sadia 11" Superloy Immersion Heater With RDT Thermostat
Free Local Shipping
Free Local Shipping on orders over £100. Standard delivery to most UK postcodes within 2-3 working days. Express options available at checkout.
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Description
11" Superloy 3kW immersion heater for aggressive water areas, fitted with an RDT combined thermostat and re-settable safety cut-out for reliable hot water control.
Why Choose This Product:
- High corrosion resistance: Superloy 800 material for aggressive water conditions
- Reliable control & safety: RDT combined thermostat with re-settable safety cut-out
- Helps prevent overheating: No-heat zone protection
- BEAB approved: Compliant, trusted performance
- 2-year parts-only guarantee
Compatibility / Works With:
- Suitable for use as the sole heat source or in association with an indirect heating coil
Key Features:
- 11" Superloy 800 Immersion Heater
- 3kW Element Power Rating
- RDT Combined Thermostat
- Re-settable Safety Cut-out
- No-heat Zone to help prevent overheating
- Aggressive Water Suitability
- Superloy 800 (High Corrosion Resistance)
- BEAB Approved
Important Checks Before Purchase:
- Confirm the 11" / 280mm immersion length and 7" RDT match your cylinder/immersion requirements
- Verify the required immersion orientation (Horizontal) and confirm suitability for a 3kW immersion heater
Technical Specifications:
| Specification | Value |
|---|---|
| Brand / Product | Heatrae Sadia |
| Product Type | Immersion heater with RDT thermostat |
| Material | Superloy 800 |
| Element Size | 11" / 280mm |
| Orientation | Horizontal |
| Immersion Diameter | 2 1/4" |
| RDT Thermostat | 7" RDT |
| Power Rating | 3kW |
| Safety | Re-settable safety cut-out |
| Corrosion Resistance | Superloy 800 |
| Approval | BEAB Approved |
| Warranty | Two year product parts only guarantee |
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.
