Replacing a worn electrode with this genuine HVAC repair part restores the millivolt signal and spark gap to factory specifications

Standard protocols recommend not exceeding 1/2 PSI (14" WC) inlet pressure to avoid damaging the internal regulator components

Optimized Combustion: Improves overall system safety by ensuring a 100% negative pressure environment within the flue pipe

What causes this element assembly to fail

What should I check if my new 1188516 is still overflowing

Laars Heating Systems 20052602 Draft Hood 319848-301 Replacing a worn electrode withThe Laars Heating Systems 20052602 Draft Hood is a critical OEM replacement part designed for precision atmospheric venting in residential gas fired hydronic boilers. Engineered specifically for the Laars Mini Therm I & II series, including models JV, JVS, and JVT (sizes 75100), this 10 inch outside diameter diverter hood ensures stable combustion by managing flue pressure. By introducing dilution air into the flue vent connector, it prevents