Viessmann 7836178 Burner Gasket 320734-701 this fixed-speed hermetic unit delivers

this fixed-speed hermetic unit delivers approximately 185

The 2-stage gas control logic allows the system to shift between low-fire and high-fire modes

it features a 15-second pre-purge

this Robertshaw pilot burner provides the thermal stability and aerated flame pattern necessary for optimal combustion

Viessmann 7836178 Burner Gasket 320734-701 this fixed-speed hermetic unit deliversEnsure a high integrity combustion seal with the Viessmann 7836178 Burner Gasket, a critical service component for Vitodens 200 W condensing boilers. Measuring exactly 299x5. 6mm, this precision engineered OEM Viessmann part is designed to withstand the extreme thermal cycling and high pressure environments found in B2HA and B2HB series burners. As a seasoned technician knows, a compromised gasket is often the culprit behind flue gas leakage or