• Logo

    Marlec

  • Contact Info Christmas

    Mon to Thurs 8:30 - 17:00 | Friday 8:30 - 15:00

    Contact Us

  • Search
  • Menu
    • Home
    • Online Shop
        • Windchargers and Accessories
        • Semi Flexible and Foldable Solar Panels
        • Framed Glass Solar Panels
        • Solar Regulators
        • Electrical & Fixing Accessories
        • VEVA EV Charger
        • Solar iBoost Accessories and Spares
        • AGM / GEL Batteries & Monitors
        • PureSine & ModiSine Inverters
        • Windcharger Spare Parts & Service
      • Close
    • Wind Power
      • Windchargers
        • Rutland 504 Windcharger
        • Rutland 505 Windcharger
        • Rutland VertX 360 Windcharger
        • Rutland 914i Windcharger
        • Rutland 1200 Marine Windcharger
        • Rutland 1200 Terrain Windcharger
        • Rutland FM910-4 Windcharger
        • Rutland FM1803 Windcharger
        • Mounting Kits
      • Windcharger Controllers
        • Charge Controllers Overview
        • HRDi
        • HRSi
        • Marlec Controller Interface Lead
      • Applications
        • Boats & Marine
        • Remote Power Supply
        • Caravans, Camping & Leisure
      • Close
    • Solar Power
      • Solar Panels
        • Ameresco Panels – Glass
        • Alpex Panels – Glass
        • Spectra PERC-S – Glass
        • Spectra Bifacial Panels
        • SpectraLite Panels- SemiFlex
        • Spectra Foldable Solar Panel
        • Spectra SemiFlex Zipper Panel
        • SunWare Panels – Semi Flex
        • SunWare Panels – Textile
        • Solar Rail Mounting Kit
      • Solar Regulators
        • Spectra Regulators
        • Steca Solar Regulators
        • Morningstar Controllers
      • Applications
        • Solar Powered Signage
        • Solar Powered Bus Shelters
        • Remote Power Supply
        • Boats & Marine
        • Caravans, Camping & Leisure
      • Close
    • Off-Grid
        • Solar Powered Signage
        • Solar Powered Bus Shelters
        • Green Column System Street Lights
        • Bespoke Solutions
        • Insytly LITE Battery Monitor
        • Electrical Accessories
        • Off-Grid Batteries
        • Off-Grid Inverters
        • Off-Grid Case Studies
      • Close
    • Solar iBoost+™
        • Solar iBoost+™
        • iBoost+ Buddy™
        • Solar iBoost Heat Pump Interface
        • Where to Buy Solar iBoost+™
        • Solar iBoost+™ Specifications
        • Solar iBoost+™ FAQ’s
        • Solar iBoost™ User Operating Help
        • Troubleshoot My Solar iBoost™
        • Support & Downloads
      • Close
    • VEVA EV Charger
    • Contact
        • About Us
        • Knowledge Hub
        • News
        • Support
        • Contact
      • Close
    • 0 items

  • Search

  • Online Shop Your Cart
Home » Windcharger Controllers » HRS 503 Reg Data sheet

  • Marlec Direct 2026 View Brochure Online

    View or Download

HRS 503 Reg Data sheet

HRS 503 Reg Data sheet

← Windcharger Controllers

  • Marlec Direct 2026 View Brochure Online

    View or Download

  • Solar iBoost+

    One of the UK’s Favourite

    PV Immersion Controllers

    Solar iBoost+

    Gives You Free Hot Water From Your PV Array



    Optional Buddy

    To Remotely Monitor and Control Your Solar iBoost+

    Solar iBoost+ Free Hot Water from your PV

  • Partners Logos

    Footer Logos

  • Contact Us

    Marlec Engineering Co Ltd
    Rutland House
    Trevithick Road
    Corby, Northants
    NN17 5XY

    Tel: +44 (0) 1536 201588

    Email: [email protected]

    Mon to Thur 08.30 to 17.00 - Fri 08.30 to 15.00

    Company registration number 01388473

    VAT number 330201627

  • Sitemap

    • Home
    • Pay Online
    • Online Shop
    • Wind Power
    • Solar Power
    • Solar iBoost+
    • Off Grid Products
    • Support
    • About Us
    • Contact

  • General

    • Rutland 504
    • Rutland 505
    • Rutland VertX 360
    • Rutland 914i
    • Rutland 1200
    • Rutland FM910-4
    • Rutland FM1803
    • Solar iBoost+
    • VEVA EV Charger
    • Spectra PERC Solar Panels
    • Ameresco Panels
    • Alpex Solar Panels
    • SunWare Panels
    • SpectraLite SemiFlex Solar Panels

  • Legal

    • Terms & Conditions
    • Cookie Policy
    • Privacy

  • Connect With Us

    • Facebook
    • X
    • Youtube
    • Linkedin

  • Back to top button

    Top

  • Copyright

    Copyright © 2026 Marlec | Business Website Development 2buy1click Ltd.

Marlec Christmas 2025

HRS 503 Reg Data sheet