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DryAir RDH21 21kW radiant diesel heater DH8510K for farm, workshop and construction heating NZ.

DryAir RDH21 Radiant Diesel Heater 21kW – Includes Thermostat

SKU DH8510K
$918.86
$1,056.68 - $1,056.68
$1,056.68
$1,056.68 - $1,056.68
$918.86
Free Shipping
Delivered Free.  New Zealand wide.
Description

DryAir diesel heaters are designed to deliver dependable, safe, and instant heat for demanding environments including workshops, construction sites, farms, and garages. Built for New Zealand conditions, they are optimised for reliable cold-weather performance, supporting consistent ignition and efficient operation even in low temperatures.

The DryAir RDH21 Radiant Diesel Heater 21kW includes Thermostat is a powerful and efficient heating solution suited to medium-sized spaces. Combining radiant heat for direct object warming with fan-assisted airflow for even distribution, it provides fast, consistent warmth where it’s needed most. With multi-fuel capability, low-noise operation, and a durable portable design, the RDH21 offers flexible, fuel-efficient heating ideal for both on-site and workshop applications.

Features
  • Dual Heating Technology – Integrates radiant heat (direct object warming) with fan-forced airflow for rapid, even heat coverage
  • Built-In Adjustable Thermostat – Automatically maintains the selected temperature, improving comfort while optimising fuel efficiency and runtime
  • High Heat Output – Produces up to 20.5kW (approx. 70,000 BTU), ideal for areas up to 165m²
  • Multi-Fuel Operation – Compatible with diesel (#1 & #2) and kerosene for flexible fuel options
  • Reduced Noise Performance – Designed for quieter operation compared to standard diesel heaters
  • Portable & User-Friendly Design – Lightweight unit with integrated carry handle for easy relocation
  • Efficient Fuel Consumption – Optimised burn rate ensures longer runtime and lower fuel costs
  • Safety First – Includes overheat protection system and fault indicator light for added reliability
  • Long Continuous Operation – Large fuel tank supports extended running time without frequent refuelling
Specifications
  • Voltage: 220–240V ~ 50Hz
  • Power Consumption: 105W
  • Heat Output: 20.5kW (≈70,000 BTU)
  • Thermostat: Integrated adjustable thermostat
  • Fuel Tank Capacity: 13L (Kerosene or Diesel)
  • Fuel Consumption: 2.0L/hr (approx. 1.72kg/hr)
  • Maximum Runtime: Up to 6.5 hours continuous
  • Heating Area: Up to 165m²
  • Noise Level: 65 dBA
  • Net Weight: 16.5kg
  • Product Dimensions: 576 x 330 x 575 mm
  • Carton Dimensions: 645 x 385 x 584 mm

Get The RIEQUIP Advantage!

  • New Zealand owned and operated
  • Every item is test run before dispatch
  • 1 year Commercial warranty
  • Service agents nationwide
  • Stores in Auckland, Christchurch & Nelson
  • Guaranteed spare parts backup for the life of your equipment!

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