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When using a current signal
Critical Filtration Support: Includes dual 16x20x1 filter tracks to maintain optimal indoor air quality and blower protection
If voltage is present but the Normally Open (NO) contacts fail to show continuity
Perfect OEM Compatibility: Serves as the authorized 319800-404 replacement for a seamless drop-in fit
Marvair 70411 Heat Strip 322838-753 When using a current signalThe Marvair 70411 Heat Strip is a high output 10 kW electric heater kit designed specifically for integration with Marvair vertical wall mount HVAC units. Engineered for field installation, this resistance heating element provides essential supplemental or emergency heat for telecommunication shelters, modular offices, and commercial enclosures. The Marvair 10kW heating element is built to maintain tight temperature tolerances and ensures consistent
