Marvair 70411 Heat Strip 318423-701 Pre-Purge Cycle: 30-second pre-purge ensures

Pre-Purge Cycle: 30-second pre-purge ensures the combustion chamber is cleared of residual gases before the spark ignition begins

2-inch outside diameter measures the total exterior circumference

this board is specifically programmed for the logic required by YHM series modulating heat pumps and will not function correctly with standard single or two-stage PSC/ECM systems

this is a non-self-checking component

It features a 5/16-inch diameter shaft with a CWSE (Clockwise Shaft End) rotation

Marvair 70411 Heat Strip 318423-701 Pre-Purge Cycle: 30-second pre-purge ensuresThe 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