Laars Heating Systems RW2013400 Gasket 321894-708 this Fenwal ignition module is

this Fenwal ignition module is the industry standard for contractors servicing commercial water heaters

Industrial Build Quality: Heavy-duty construction designed for the high-cycle demands of commercial condensing water heaters and boilers

This microprocessor-based module manages the ignition sequence

which is critical for maintaining performance in high-flow applications up to 100 SCFM

and Payne residential furnaces and air handlers

Laars Heating Systems RW2013400 Gasket 321894-708 this Fenwal ignition module isAs a field technician, you know that a compromised seal at the combustion chamber is a direct path to pressure loss and ignition failure. The Laars Heating Systems RW2013400 Gasket is a critical OEM replacement part designed specifically for the flame sensor mounting interface. This high temperature gasket ensures an airtight seal between the sensor body and the burner plate, preventing flue gas leakage and maintaining the precise internal pressure