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Case Study: Thermostat Supply for a rental company in Southern Africa

Source:Case / Time:2026-09-18

Thermostat for A rental company in Southern Africa

A rental company came to us with a thermostat programme for Southern Africa. The brief was ordinary and unforgiving at the same time: a fixed launch window, a landed cost that had to survive freight and duty, and a part that had to match an existing sample. This case records what was specified, what went wrong in sampling and how the bulk order landed.

The starting point

  • A specification nobody had written down
  • A fitment that looked right on paper and failed on the bench
  • Inconsistent hardness between lots

Thermostat case study

What was specified

PartThermostat
ClientA rental company
MarketSouthern Africa
Volume2,000 pieces across 6 specifications
Base materialCeramic Composite
Sampling rounds4
Delivery window5 weeks from PO to ex-factory
ComplianceSAE J431

How it was resolved

  1. The specification was rebuilt around Ceramic Composite and the tolerance locked before bulk.
  2. A pre-production sample was approved and kept as the golden reference.
  3. Production ran with in-line inspection and a mid-run photo report.
  4. Cartons were packed to the client's own barcode and ratio specification.
  5. Documentation shipped with the goods instead of after them.

Thermostat production run

Result

  • 2,000 pieces delivered inside the 5-week window.
  • Unit cost held within 3.0% of the original quotation.
  • Inspection-related rejection stayed under 1.0%.
  • The specification is on file, so reorders reproduce the approved sample.

What we would repeat

Keep one accountable owner on both sides. Most delays come from hand-offs, not from machines.

Planning something similar?

Ask for the current catalogue and the specification sheet for this line.

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