Marley Engineered Products 1007002 Explosion-Proof Convector Thermostat NEMA 7

The Marley Engineered Products 1007002 is an explosion-proof remote room thermostat engineered for use with Size 1 explosion-proof convection heaters. Housed in a rugged NEMA 7, cast aluminum enclosure, this thermostat is purpose-built for hazardous industrial environments where flammable gases, vapors, or combustible dusts may be present.

The 1007002 features a bimetal thermostat mechanism with an SPDT switching configuration and is rated for 125–277V at 22 amps, making it compatible with a wide range of single-phase explosion-proof convector installations. The unit carries hazardous location certifications for Class I, Division 1, Groups C & D and Class II, Division 1, Groups E, F & G, ensuring safe operation across gas, vapor, and dust atmospheres.

Key Features:

• Explosion-proof NEMA 7 cast aluminum enclosure
• Bimetal thermostat with SPDT switching
• Rated 125–277V, 22A for broad compatibility
• Temperature range: 500–900°F (100–320°F adjustable, marked AS)
• Class I, Division 1, Groups C & D listed
• Class II, Division 1, Groups E, F & G listed
• Designed as a remote room thermostat for Size 1 explosion-proof convectors

This thermostat is an essential control component for Marley, QMark, and Berko explosion-proof convector heater systems installed in oil refineries, petrochemical plants, chemical storage facilities, aircraft hangars, and other hazardous environments requiring certified electrical equipment.