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Immersion Technical DivingIMMERSION DIVINGDIVE · LEARN · EXPLORERequest a service ↗

Servicing & Maintenance

Equipment servicing & repairs

Keep your equipment ready for your next dive or underwater hockey session. Immersion Diving offers servicing, maintenance and repairs to help you look after your gear.

Our services include battery replacement, regulator servicing and BCD maintenance for Cressi-Sub equipment, alongside Breier fin repairs. We also offer diving cylinder disassembly, hydrostatic testing and reassembly, as well as cylinder valve servicing.

Tell us what your equipment needs, and we will discuss the appropriate service, pricing and arrangements with you.

Official Cressi-Sub technician · Valérian Mathonet

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Immersion Diving workshop with Cressi equipment and service tools
The Immersion Diving workshop.
Our services

Care for your diving equipment and fins.

01 / Batteries

Battery replacement

We replace batteries and rechargeable batteries in Cressi-Sub products. Contact us with your equipment model so we can confirm the appropriate replacement and service options.

02 / Regulators

Regulator servicing

We carry out servicing and maintenance of Cressi-Sub regulators. Tell us about your regulator and its service history so we can discuss the work it needs.

03 / BCDs

BCD maintenance

We service and maintain Cressi-Sub buoyancy compensators (BCDs). Contact us for routine maintenance or to discuss a problem with your jacket.

04 / Breier fins

Breier fin repairs

We offer repairs for Breier fins. Send us the fin model, photos of the damage and a short description of the issue so we can assess the repair and discuss the available options, price and arrangements.

05 / Diving cylinders

Cylinder hydrostatic testing & valve servicing

We offer diving cylinder disassembly, hydrostatic testing and reassembly, as well as cylinder valve servicing. Contact us with your cylinder and valve details so we can discuss the required work, price and arrangements.

Inside our workshop

A closer look at equipment care.

Regulator disassembly in the Immersion Diving Cressi-Sub workshop
Regulator disassembly
Ultrasonic cleaning equipment in the Immersion Diving Cressi-Sub workshop
Ultrasonic cleaning equipment
Pressure testing equipment in the Immersion Diving Cressi-Sub workshop
Pressure testing equipment
First-stage components in the Immersion Diving Cressi-Sub workshop
First-stage components
Second-stage components in the Immersion Diving Cressi-Sub workshop
Second-stage components
Regulator inspection in the Immersion Diving Cressi-Sub workshop
Regulator inspection
Regulator and hose checks in the Immersion Diving Cressi-Sub workshop
Regulator and hose checks
Components prepared for service in the Immersion Diving Cressi-Sub workshop
Components prepared for service
Arrange your service

Tell us what your equipment needs.

Send us the product type and model, a description of any issue, and the date of its last service if known. We will discuss the required maintenance, price and arrangements with you.

Contact Immersion Diving

Ready to arrange a service?

Get in touch for Cressi-Sub battery replacement, regulator servicing, BCD maintenance, cylinder hydrostatic testing, valve servicing or Breier fin repairs.

Battery replacement

We replace batteries and rechargeable batteries in Cressi-Sub dive computers, watches and other compatible products. Tell us the model and any symptoms so we can confirm the appropriate battery and service.

  • Equipment inspection
  • Battery replacement appropriate to the model
  • Seal inspection and replacement where required
  • Function checks after replacement
Battery replacement prices
EquipmentPrice
Dive computer40 €
Dive watch55 €
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Regulator servicing

Servicing for Cressi-Sub first and second stages, including octopus regulators. The work is assessed according to the model, condition and service history.

  • Disassembly and cleaning
  • Inspection of components and seals
  • Replacement of required service parts
  • Reassembly, adjustment and operational checks
Regulator servicing70 € – 120 €

Contact us for a quote.

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BCD maintenance

Maintenance for Cressi-Sub buoyancy compensators, with attention to the inflator, dump valves and bladder. Tell us about any leaks or inflation problems.

  • Inspection and cleaning
  • Inflator and dump-valve maintenance
  • Bladder and hose checks
  • Inflation and leak checks
BCD maintenance45 €
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Breier fin repairs

Repairs are assessed from the fin model, the condition of the blade and footpocket, and photos of the damage. Available work depends on the repair required.

Repair prices
Repair1 finPair of fins
U-profile edge replacement20 €35 €
T-profile edge replacement25 €45 €
Footpocket re-gluing20 €35 €
Heel re-gluing15 €25 €
Localised protective film re-gluing15 €25 €
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Cylinder hydrostatic testing & valve servicing

We arrange diving cylinder disassembly, hydrostatic testing and reassembly, alongside cylinder valve servicing. Send the cylinder markings, last test date and valve details so we can confirm the required work.

  • Cylinder disassembly and valve removal
  • Hydrostatic testing
  • Valve inspection and servicing as required
  • Reassembly and final checks
Service prices
ServicePrice
Cylinder hydrostatic testing75 €
Cylinder valve servicingFrom 30 €
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