Hayward IDXL2TRF1930 120/240 V → 24 V AC Transformer – For Universal H-Series Heaters

Part # IDXL2TRF1930 — a factory replacement transformer for Hayward Universal H-Series and induced-draft heaters. This unit converts standard 120 V or 240 V line voltage down to 24 V AC required by the heater’s control circuits and safety components.

Key Features

• Accepts 120 V or 240 V AC input — automatically adjusts to common household/ equipment voltages.
• Provides stable 24 V AC output for burner controls, ignition module, sensors and safety circuits.
• OEM-spec design ensures proper fit and wiring clearances inside Hayward H-Series heater models, including low-NOx versions.
• Rigid mounting and insulated wiring suitable for outdoor pool equipment installations.
• Direct replacement for original transformer — simplifies heater repair or rebuild without rewiring or modifications.

Compatible Heater Models

Compatible with Hayward Universal H-Series and induced-draft heaters, including H150, H200, H250, H300, H350 and H400 family models (both “FD” and “IDL2” series) that require a 24 V control transformer. Ideal when original unit fails or shows signs of malfunction.

Installation & Safety Notes

Before installation, shut off main power supply and disconnect heater from all power. Remove the old transformer, label and record existing wiring connections to the control board and safety devices. Install the new IDXL2TRF1930 in the original mount, reconnect wires to matching terminals, restore power and verify correct 24 V output. Test heater ignition and controls thoroughly before use. Always follow local electrical codes and manufacturer’s service manual instructions.

Why Replace It?

Replacing a failing or damaged transformer restores safe and correct operation of ignition, controls, and safety interlocks. A faulty transformer can cause ignition failures, erratic behavior, or unsafe operating conditions — so timely replacement is critical to heater performance and longevity.

Maintenance Tips

• Inspect transformer wiring annually for signs of corrosion, insulation damage or water exposure.
• Ensure the mounting area stays dry and free of debris to avoid moisture-related failures.
• Test 24 V output periodically or when heater controls act erratically to catch electrical issues early.
• If heater undergoes frequent power cycles or maintenance, verify wiring connections are secure after each service.