Infratech WD4024 39" Black 4000 Watt Patio Heater

39 x 8" x 3", 4000 Watt Patio Heater"
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Infratech WD4024 (21-2100) 39" Black 4000 Watt Patio Heater

The WD-40 is a very popular electric patio heater. It is constructed of stainless steel.

Infratech stainless-steel heaters can also be ordered in optional bronze, white, biscuit, beige, almond, grey, or copper powder coat. We typically have black, white, bronze and bare stainless in stock. Other colors, as well as voltages other than 240, may require 2-3 week lead time. Contact us for current stock.


The WD4024 provides the maximum amount of heat within a 20 amp (240 volt) circuit. Choose 240 volts for all homes in the USA. Commercial operations choose the voltage you will use for the heaters.


The heater is only 3' 3" long, and is effective when mounted from 8 to 10 feet.

A 6" x 6" Stainless Steel Mounting Kit is included, which provides the required 6" top clearance from combustibles (above) when the heater is pointed straight down from the ceiling. However, when the heater is tilted the clearance is reduced by 2" to 3". Choose from the optional 9" and 12" long custom brackets to provide the specified clearance for Infratech heaters that are tilted.

When Infratech's 6" x 6" patio heater mounting brackets are too wide for your mounting surface, choose the 3½" x 9" (for 4x lumber) or 1½" x 6" (for 2x lumber) optional stainless steel brackets that are for Infratech W-Series patio heaters.


This Infratech heater can be controlled with a high-amp timer, a duplex-stack switch, or dual infinite controls economically. For further information on controls for this heater please go to our Infratech Controls section. High-End Electronic ControlsUniversal Control Panel, or Home Management Panel offer the maximum versatility. Please contact us at 888-927-6456 for further information.