AUTOTERM PU-27 OLED heater control panel Use the AUTOTERM PU-27 to control compatible air or liquid heaters in a caravan, motorhome, campervan, boat or other mobile installation. Its OLED display is designed to remain readable in low temperatures, while the built-in temperature sensor supports temperature-based control. Availability note: AUTOTERM has discontinued this legacy control panel. This page is retained for exact model and compatibility reference. Contact us if you need help checking current AUTOTERM control options for your heater. Compatible AUTOTERM heaters Air heaters: Air 2D, Air 4D, Air 8D and Air 9D Liquid heaters: Flow 5 and Flow 14D Compatibility can depend on heater generation and wiring. An older 14TC-mini or Flow 14D 12 V heater with a rectangular connector requires AUTOTERM adapter harness assembly 3795, sold separately. Check your heater model and connector before ordering. What the PU-27 lets you do Start and stop the heater manually Control ventilation on compatible air heaters Set operating time and use start-up timers View supply voltage, current time and operating time See heater fault codes and software information The available menus and controls depend on the connected heater. Specifications Model PU-27 OLED Control Panel AUTOTERM assembly 4725 Lifecycle Discontinued by AUTOTERM System voltage 12 V or 24 V, subject to compatible heater and wiring Display OLED Temperature sensor Integrated Dimensions 60 × 51 × 12 mm Select Caravans SKU RVD630 Included and not included Included: AUTOTERM PU-27 OLED control panel Not included: heater and any model-specific adapter wiring Frequently asked questions Does the PU-27 work with an AUTOTERM Air 2D or Air 4D? Yes. AUTOTERM lists the PU-27 as compatible with Air 2D, Air 4D, Air 8D and Air 9D heaters. Will it work with an AUTOTERM Flow heater? It is listed for Flow 5 and Flow 14D heaters. Older 14TC-mini or Flow 14D 12 V units with a rectangular connector need adapter harness assembly 3795. Can it show heater faults? Yes. The panel can display malfunction codes reported by the connected heater. Use the heater manual to interpret the code. Is this the same controller as PU-27? Yes. AUTOTERM identifies the OLED control panel as the former PU-27, assembly 4725. Is the PU-27 still manufactured? No. AUTOTERM marks assembly 4725 as discontinued. Ask us to check current control options against your exact heater model and connector. Order online for delivery throughout New Zealand when stock is available. If you are unsure about compatibility, contact the Select Caravans team in Auckland with your heater model and connector details.