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Always cross-reference your boiler’s serial number with the Viessmann Parts Catalog
Durable OEM Build: Eliminates the fitment issues common with generic fittings
Integrating this 2-way water valve allows for precise modulation of water flow through the coaxial heat exchanger
Proper installation ensures the burner maintains its radial fire efficiency without the risk of nuisance shutdowns caused by sensor degradation or carbon fouling
NTI Boiler 6008763801 Limit Switch 319848-301 Always cross-reference your boiler’s serialThe NTI Boiler 6008763801 Limit Switch is an OEM safety control component designed for use in compatible NTI boiler systems. This critical boiler limit switch helps protect the heating appliance by monitoring operating temperatures and interrupting operation when unsafe conditions are detected. Contractors rely on properly functioning high limit switches to maintain safe boiler performance, prevent overheating, and support system reliability.
