Planar PDH high-temperature ducting delivers reliable, heat-resistant airflow for diesel heater systems such as Planar and Autoterm Air 2D. Available in 60 mm and 4 in diameters, this ducting is engineered to maintain efficient heat distribution and consistent airflow in confined installations—ideal for RVs, boats, vans and off-grid shelters. Key Features Diameter Options: Available in 60 mm (PDH60-001) and 4 in (PDH4-003) to match common heater outlets. High-Temperature Construction: Heat-resistant materials (manufacturer listings note ratings up to 800°C / 1472°F) for safe operation near heater components. Compatibility: Designed for Planar and Autoterm Air 2D and most forced-air diesel heaters; fits standard clamps and adapters. Flexible & Durable: Corrugated, flexible design resists kinking and simplifies routing through tight spaces. Whether installing a Planar heater in a campervan or replacing ducting on an Autoterm Air 2D in a boat, this PDH series ducting makes routing and heat delivery straightforward. Planar ducting helps reduce hot spots and keeps warm air moving efficiently, improving comfort and heater performance. The flexible hose is easy to cut to length and secure with standard hose clamps. Available sizes: 4 in (PDH4-003) and 60 mm (PDH60-001). Packaged weight (retailer listings) is approximately 2.5 kg for the 4 in model and 1.9 kg for the 60 mm model; packaged dimensions vary by seller. Check compatibility with your heater outlet diameter and use appropriate clamps and fittings for a secure installation.
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