Laars Heating Systems A2123409 Seal Kit 320735-701 ensuring that combustion byproducts and

ensuring that combustion byproducts and corrosive condensate are managed correctly

or brittle furnace gaskets to restore optimal airflow and equipment efficiency

Designed to meet internal factory specifications for Reznor unit heaters

this unit meets UL and CUL standards

restoring system functionality once the plenum temperature returns to the safe 100°F threshold

Laars Heating Systems A2123409 Seal Kit 320735-701 ensuring that combustion byproducts andThe Laars Heating Systems A2123409 Seal Kit is a critical OEM replacement part engineered specifically for maintaining the hydraulic integrity of your circulation pump. This mechanical seal kit is the direct replacement for the legacy A2118400 model, designed to isolate the rotating shaft from the heat transfer fluid and prevent catastrophic leaks within the pump housing. In high demand hydronic heating environments, even minor seal degradation can