APSP Certified Hot Tub Technician Program - Get CHTT Certified!
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PHTA (APSP) Certified Hot Tub Technician™ (CHTT)

APSP Certified Hot Tub Technician

CHTT – Certified Hot Tub Technician™

The Certified Hot Tub Technician™ program covers the essentials of servicing portable and permanently installed hot tubs and spas, and equipment repair and replacement.

The PHTA™ Hot Tub Technician Manual is the textbook for the course.  To become certified as a CHTT Certified Hot Tub Technician®, you must participate in the 4 day CHTT Course, based on the PHTA™ Hot Tub Technician Manual. Upon completion of the training program, you will be eligible to take the CHTT exam.

New employees are eligible, however, this is challenging course, so 6 months to 1 years experience within the hot tub industry or a background in domestic electrics is recommended.

The course fees include course registration, course fee, individually wrapped lunch, PHTA™ Exam Fee & Certification. The course is £799+VAT per candidate (£699+VAT for BISHTA Members). Delivered in our COVID-Secure Training Centre.

The CHTT Course covers the following:

  1. Hot Tub Safety
  2. Personal Safety
  3. Electrical Theory & Safety
  4. Knowledge – Safe practices & testing procedures
  5. Structures
  6. Circulation
  7. Filtration
  8. Plumbing & Hydraulics
  9. Pump theory & diagnostics
  10. Control Systems & Diagnostics
  11. Heaters & Accessories
  12. Advanced Water Chemistry
  13. Maintenance – Routine Servicing & Remedial Actions
  14. Customer Service


All APSP certification exams are proctored and administered at SpaTech Training as an authorised testing centre. Testing normally occurs on the morning immediately after he CHTT Course


If you didn’t pass the exam, don’t worry.  You can retest.  We encourage you to reschedule your exam within a year of your testing date to avoid having to take the course again.

Course materials

The following course materials are included in the course fee:

APSP Hot Tub Technician Manual

CHTT Certified Hot Tub Technician® Workbook
  • Next courses

  • Next Courses – 4 Day Course with Exam on afternoon of 4th day:

    25 – 28 September 23 (Exam 28th PM) – SpaTech Training, Sleaford, Lincolnshire

    27 – 30 November 23 (Exam 30th PM) – Spa Tech Training, Sleaford, Lincolnshire

    Register your interest now to book or email: info@spatechtraining.co.uk