Raypak Pool Heater Sooting Error Code

Updated 2026-08-29 · review status: manual-verified Last verified: 2026-08-29

Quick answer

Reduce high flow rates with a manual bypass valve (target 105-110 deg F outlet). Check U.G. movement, air starvation, improper venting, and insects or debris clogging burner intake ports.

Severity: high · DIY difficulty: intermediate

Safety

TBD - must be written per-code before publish

What Sooting means

Reduce high flow rates with a manual bypass valve (target 105-110 deg F outlet). Check U.G. movement, air starvation, improper venting, and insects or debris clogging burner intake ports.

Code meaning varies by series

  • Digital 206A-406A / Low NOx / Professional / Above-Ground: High flow rates (add manual bypass valve; adjust outlet to 105-110F), U.G. inoperative, air starvation, improper venting, or insects/debris clogging burner intake ports (clean burners).

Causes, ranked

  1. Causes not yet documented — verify against the service manual.

Parts & supplies for Raypak Pool Heater: filters, control boards, sensors, and common replacement parts.

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Sources

  • PoolDial error-code reference (manual-backed) — verified 2026-08-29
  • Raypak Digital 206A-406A Installation & Operation Manual (241236), Section 10 Troubleshooting — verified 2026-08-29