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The MARSHALL AIR 156931 is a 155-watt heater blanket rated for 120-volt operation, designed for use with commercial appliance systems. Heater blankets maintain temperature in components or enclosures where freeze protection or consistent heat is required. This unit is a Marshall Air OEM part, appropriate for HVAC, refrigeration, or commercial equipment applications where low-wattage resistive heating is specified. Installation is typically performed by qualified commercial appliance or HVAC service technicians.
The 156931 is suited for commercial appliance environments where supplemental or protective heating is needed. Marshall Air components are used in commercial-grade systems requiring dependable accessory parts. This heater blanket is intended as a direct replacement or service part within compatible Marshall Air equipment configurations.
Designed as an OEM-style replacement heater blanket for compatible Marshall Air commercial appliance systems.
Installation should be performed by a qualified HVAC or commercial appliance technician. Always de-energize the equipment at the disconnect or breaker and verify voltage is absent before handling or replacing the heater blanket. Secure all connections per manufacturer guidelines and local electrical codes before restoring power.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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