MAJ2103-512 | Thermopile | Universal 24 in570443069SKU:2103-512Inventory ID:03610837Select Item:Price: $48.00Quantity: Universal 24 in Thermopile The Thermopile is used with 750 millivolt pilot systems. This system is generally found on gas fireplaces and gas logs that use wall switches or remote controls. Reviews Choose your rating12345