To be supplied through London dealer Citroën City, they'll be carrying Alltec's ThermalWave machines designed for contractors providing domestic and industrial floor cleaning services. Each machine weighs 445kg when empty, rising to just over 1,400kg when filled with water and cleaning solutions.

The load area of each Relay — now Alltec's standard van — will be protected with plywood sprayed by Alltec with a multi-layer chemical and water-resistant All-Dry lining.