Solar Immersion Diverter Manchester

A solar immersion diverter routes surplus solar electricity to your hot water immersion heater instead of exporting it to the grid. Devices like the iBoost, myenergi Eddi, and Marlec Solar iBoost+ monitor your solar generation in real time and automatically divert excess energy to heat your water — giving you free hot water from energy you would otherwise sell back at a fraction of its value.

Manchester Renewables supplies and installs all leading solar immersion diverters across Greater Manchester. An immersion diverter is a cost-effective alternative or complement to battery storage, typically costing £600-£1,200 installed. For homes with an immersion heater and a solar PV system, a diverter can save £200-£400 per year on hot water heating costs.

Solar Immersion Diverter Manchester — What's Included

Diverter Supply & Installation

Supply and fitting of your chosen immersion diverter (iBoost, myenergi Eddi, or Marlec Solar iBoost+), including CT clamp sensor and all wiring.

Immersion Heater Check

We verify your existing immersion heater element is in good condition and compatible. If a replacement is needed, we can supply and fit one at the same time.

Solar System Integration

The diverter is configured to work alongside your existing solar panels and, if present, battery storage — so solar energy is used in the right order.

Smart Monitoring Setup

For myenergi Eddi and iBoost+, we set up the companion app so you can track how much free hot water your solar panels are providing.

Priority Configuration

If you have both a battery and a diverter, we configure the priority order — typically battery first, then hot water, then grid export.

UK Government Scheme

0% VAT on Solar Equipment: Save 20% on installation

Solar immersion diverters installed alongside or as part of a solar PV system qualify for 0% VAT as energy-saving materials. This applies to both the diverter unit and installation labour. The saving is applied automatically by your installer.

Check Eligibility

Why Solar Immersion Diverter Manchester Matters

  • Heating water with surplus solar is essentially free — replacing gas or peak-rate electricity that costs 7-24p per kWh
  • An immersion diverter costs a fraction of a battery (£600-£1,200 vs £2,500-£11,000) and can save £200-£400 per year on hot water
  • The myenergi Eddi can divert to two loads — for example, an immersion heater plus a towel rail or underfloor heating
  • Diverters work alongside battery storage, capturing surplus energy that even a full battery cannot absorb

Cost Guidance

Solar immersion diverters in Manchester typically cost: iBoost/iBoost+ £600-£800 installed, myenergi Eddi £800-£1,200 installed. The Eddi costs more but offers dual-load diversion and better monitoring. Payback is typically 2-4 years based on £200-£400 annual hot water savings.

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Solar Immersion Diverter Manchester — Common Questions

What is the best solar immersion diverter?
The myenergi Eddi is the best overall, offering dual-load diversion and excellent app monitoring. The iBoost+ is a solid, reliable budget option. Both work well with Manchester solar installations.
Can I use a diverter and a battery together?
Yes. This is an increasingly popular combination. The battery charges first from solar surplus, and once full, the diverter sends any remaining excess to your immersion heater. This maximises self-consumption across both electricity and hot water.
How much hot water can a solar diverter provide?
In summer, a diverter connected to a 4kW solar system can heat a full cylinder of hot water most days for free. In winter, it contributes partial heating that reduces your boiler's workload. Over a year, expect 50-70% of your hot water to come from diverted solar energy.
Do I need a specific type of hot water cylinder?
You need a cylinder with an immersion heater element (most vented and unvented cylinders have one). The diverter connects to the immersion heater element, not the cylinder itself. Combi boiler systems without a hot water cylinder are not compatible.
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