The CMT L23/30 Thermostatic Regulating Valve is a premium-grade temperature control valve insert specifically engineered for MAN L23/30 marine diesel engines. Constructed with a robust brass flanged housing and radial spider support struts, this valve ensures maximum structural integrity and optimal fluid flow under demanding marine conditions. The integrated thermostatic element cartridge is factory-calibrated to a precise 55°C temperature set point, delivering reliable thermal regulation for your engine’s cooling system. Reinforced with a heavy-duty stainless steel compression spring, this CMT replacement component guarantees exceptional durability, prevents engine overheating, and maintains peak operational efficiency.