Wet Worker Full Time NEW

Lambeth, London
Daniel Owen Ltd
Commercial Wet Worker (WRAS Approved Operative)

Daniel Owen is seeking an experienced Commercial Wet Worker (WRAS Approved Operative) to join our Commercial Heating & District Energy Team. You’ll be responsible for the installation, servicing, maintenance, commissioning, and fault-finding of communal and district heating systems, with a strong focus on Heat Interface Units (HIUs) across residential and mixed-use developments.

Key Responsibilities

• Install, service, repair, and commission Heat Interface Units (HIUs).
• Diagnose faults and carry out repairs on communal and district heating systems.
• Maintain heating controls, including Y Plan, S Plan, thermostats, programmers, motorised valves, and smart controls.
• Install and maintain radiators, pumps, valves, and associated plumbing systems.
• Carry out planned preventative maintenance (PPM) and reactive repairs.
• Complete commissioning, system balancing, and performance testing.
• Maintain accurate job records using PDA/mobile devices.
• Participate in an out-of-hours call-out rota.
• Deliver excellent customer service while working safely and in line with company procedures.

About You

• City & Guilds Level 2/3 Plumbing qualification.
• Formal Water Regulations/WRAS qualification.
• Minimum 3 years’ experience working on district heating systems.
• Strong experience servicing and fault-finding on Heat Interface Units (HIUs).
• Knowledge of communal heating systems, heating controls, and safe isolation procedures.
• Full UK driving licence.
• Able to work independently and as part of a team.

Desirable

• G3 Unvented Hot Water qualification.
• HIU manufacturer training.
• Low Temperature Heating Systems training.
• Experience working within communal plant rooms.

What We Offer

• Competitive salary and benefits.
• Company vehicle, tools, and equipment.
• Ongoing training and manufacturer development.
• Long-term career opportunities with a leading property maintenance contractor.

If you’re an experienced HIU and district heating engineer looking for your next challenge, we’d love to hear from you.