Hunter 24 VAC Indoor Controller Transformer 526500 – Compact 120V-to-24V Replacement for XC, PRO-C & PCC

This compact, purpose-built transformer is designed to provide stable low-voltage power to indoor irrigation controllers from Hunter, supporting consistent valve control and system scheduling. It plugs into standard 120 V outlets and steps the voltage down to 24 VAC, matching the electrical requirements of many residential and light-commercial controller models. Built with irrigation use in mind, it pairs with specific Hunter indoor controllers so you can replace a damaged transformer or add a dedicated power source without modifying the controller.

Which Hunter controllers work with this transformer?

The 526500 transformer is compatible with Hunter XC and XC Hybrid series, PRO-C, and PCC indoor controllers. It is intended for indoor use with those controller housings and wiring setups, ensuring correct voltage and reliable connections.

• XC and XC Hybrid controllers—supports smart panel models requiring 24 VAC input
• PRO-C—fits classic PRO-C indoor installations
• PCC—compatible with programmable central control consoles designed for indoor installation

How does this transformer benefit installation and ongoing operation?

Using a transformer matched to the controller keeps the irrigation system operating within safe voltage parameters and helps prevent electrical faults or erratic valve behavior. A dedicated indoor transformer also simplifies replacements because it avoids rewiring or relying on a different power source.

• Provides correct 24 VAC to valves and controller electronics
• Reduces risk of voltage-related controller errors
• Compact design fits inside indoor controller enclosures or utility rooms

What should I know about installation and safety?

Install indoors only, following the controller manual and local electrical codes. Disconnect power before connecting wires, and mount or place the transformer where it stays dry and ventilated to prevent overheating. If you're unsure, consult a licensed electrician or a qualified irrigation professional.

• Disconnect main power before wiring
• Keep unit in a dry, indoor location away from direct moisture
• Use correct wire gauges and secure terminal connections

What practical features make this transformer a dependable choice?

Hunter designs the 526500 transformer as a straightforward service part that meets the electrical needs of selected controllers without extra complexity. Its focused functionality and compatibility make it easy to swap in during maintenance or when upgrading components, reducing downtime for the irrigation system.

• Simple plug-and-play replacement for compatible controllers
• Compact footprint for tight cabinet or utility spaces
• Supports consistent controller scheduling and valve actuation

Who is this for: Homeowners, landscapers, and irrigation technicians who maintain Hunter indoor controllers (XC, XC Hybrid, PRO-C, PCC) and need a reliable 120 VAC to 24 VAC transformer for indoor installations. Choose this part when you want a direct, compatible replacement to restore correct low-voltage power without changing controller wiring or housings.