Plenum-Rated Heaters offer blower delay feature.

Press Release Summary:




Designed for concealed and plenum space applications, Berko® and QMark® PRH Series offer multiple heat rise selections, with heating ratings from 3-15 kW. Max outlet air temperature is 200°F at static pressure of 0.2 in. Available with voltages of 208, 240, 277, and 480 V, heaters feature steel-finned heating elements, acoustic fiberglass insulation, and forward-curved centrifugal blower. Small unit is 24 x 19½ x 12½ in., while large cabinet measures 35 3/8 x 18 x 18 in.



Original Press Release:



Marley Introduces Plenum-Rated Heaters



BENNETTSVILLE, SC-Marley Engineered Products will announce this week the PRH Series plenum-rated heaters under the Berko® and QMark® brands. The heaters are designed for concealed and plenum space applications, such as those found in high-rise buildings, lobbies and bathrooms and in between suspended ceilings in garage locations, as well as for use in pre-heating outside air.

Engineered for maximum comfort, the PRH Series heaters offer a blower delay feature and multiple heat rise selections, with heating ratings from 3 to 15 kW. The maximum outlet air temperature is 200°F at a static pressure of 0.2 in. The heaters are also designed for quiet, uniform heating with steel-finned heating elements, acoustic fiberglass insulation and efficient, forward-curved centrifugal blower. Available voltages are 208, 240, 277 and 480.

Installation is simplified with the horizontal position design, pre-notched duct collars and approved zero clearance design. The units are ETL design certified to comply with UL1995 standard for HVAC equipment. Maintenance is also made easy with a single-point power connection, built-in disconnect switch and quick access to all serviceable components.

Standard small cabinet construction includes a 20 ga., powder-coated steel exterior measuring 24-in. long, 19-½-in. wide and 12-½-in. tall. The large cabinet dimensions are 35-3/8-in. long, 18-in. wide and 18-in. tall. Units include a PSC type 2 speed motor; an external 24V thermostat control (optional); a high-limit thermal safety cutout; a fan only option; and a five-year limited warranty on the heating element bank. Optional accessories are available, such as adjustable louvers, filter rack and grille.

Marley Engineered Products is a leading producer of ventilation and heating products for sale in residential, commercial and industrial markets. Marley is a division of SPX Corporation, a global provider of flow technology, test and measurement, thermal equipment and services, and industrial products and services.

Contact
Chris English
Marley Engineered Products
(843) 479-4006
Chris.English@marleymep.spx.com

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