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.

Questions about returns? View our return policy.

Hours Of Operation:

Monday - Friday: 7:00 am to 5:00 pm Phoenix Time

Saturday: 8:00 am to 2:00 pm

Sunday: Closed

We do not ship on Saturday or Sunday.
Orders totaling more than $300 will require signature confirmation upon delivery.
We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
Expedited shipping options are available at checkout.

Return Policy:

Products that are received damaged will receive a refund in store credit.
Most products are eligible for return within 30 days of receipt, except where noted below.
To initiate a return, please complete an RMA form prior to sending your item back.
Original shipping costs are non-refundable and will be deducted from the return credit.
Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
Some returns will be charged an automatic 15% restocking fee.
We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
Please complete the return form to receive your RMA number and return shipping label.
Chemical products are not eligible for return under any circumstances.
The Pentair Colorsync 618031 is not eligible for return.
Pool cleaners are not eligible for return.
Opened seals and o-rings are not eligible for return.
Capacitors are not eligible for return.
Plastic popup tools are not eligible for return.
Automation components and circuit boards are not eligible for return.
If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.