What should I check if my new 1188516 is still overflowing

or the compressor running constantly without reaching the temperature setpoint when a TXV is restricted or stuck open

Internal Pilot Operation: Utilizes system line pressure to assist in valve actuation

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

Laars Heating Systems 20052602 Draft Hood 319848-301 What should I check ifThe 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