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For contractors performing HVAC preventative maintenance
What is the purpose of a normally open valve in a gas train
Designed specifically for York
Broad Voltage Compatibility: Rated for 230/60/1 power supplies
Viessmann 7855596 Radial Fan 319848-301 For contractors performing HVAC preventativeThe Viessmann 7855596 Radial Fan is a precision engineered OEM replacement part designed for Vitodens 100 W B1HA and B1KA series condensing boilers. As a critical NRG118 combustion blower, this component features a high durability die cast aluminum housing and a steel impeller, specifically balanced to maintain the exact air fuel ratio required for efficient premix combustion. Whether you are servicing a B1HA 26 35 or B1KA 26 35 residential wall