SARGENT EC155/EC50 ELECTRICAL KIT – CAMPERVAN MOTORHOME CARAVAN VAN CONVERSION. The Sargent EC155/EC50 is a complete electric control unit, operated from a compact touch button control panel complete with a graphite surround. The EC155/EC50 has been specifically designed for individuals building their own motorhome or caravan conversion. The unit is also an excellent choice for […]