Jacuzzi HN250C/400C Transformer (72056) is a replacement transformer for compatible Jacuzzi HN250C and HN400C equipment. It is intended for service work on compatible Jacuzzi Whirlpool Bath equipment where matching the original part style, size, and application is important for a clean repair. This part can help restore the fit, function, or appearance of the related assembly without replacing more of the system than necessary.Use this part to restore the required low-voltage power supply for supported control or safety circuits. Confirm equipment model and electrical specifications before ordering. For best results, compare the existing component, equipment model, measurements, and part number before ordering or beginning installation. Replacement part for compatible Jacuzzi Whirlpool Bath equipment Designed for thermometers service applications Helps restore proper fit, operation, or assembly condition Useful for repair, rebuild, replacement, or routine maintenance work Verify part number and compatibility before purchase