Viessmann 7835164 Burner Gasket 321894-709 If the 1 HP motor

If the 1 HP motor fails to start or trips the thermal overload under normal load

for this 3/4" model with the 3008B actuator

Optimal Airflow Efficiency: Low initial resistance helps maintain design static pressure and protects the blower motor from overheating

This unit features standard sweat (ODF) connections with a 7/8" suction line and a 1/2" discharge line

Viessmann 7835164 Burner Gasket 321894-709 If the 1 HP motorThe Viessmann 7835164 Burner Gasket is a critical sealing component engineered for high output Vitodens 200 W B2HA series gas condensing boilers, specifically the 399 and 530 models. Built to withstand the intense thermal cycles of a modulating MatriX cylinder burner, this 408mm O ring gasket ensures a high integrity, airtight seal between the burner flange and the stainless steel heat exchanger. As a veteran technician, you know that a compromised