As a direct H15EQ-3C replacement

or the furnace locking out due to failure to prove flame across all burners

it supports a wide range of fuel gases including natural gas and LP mixtures

Optimized Efficiency: Designed to maintain up to 95% drive efficiency throughout its service life in various power transmission applications

Velocity Boiler Works (Crown) 107864-04 Display Kit 319848-301 As a direct H15EQ-3C replacementThe Velocity Boiler Works 107864 04 Display Kit is a specialized OEM diagnostic and interface assembly engineered for the Phantom and Raptor high efficiency boiler series. This field grade boiler control display serves as the primary technical interface for monitoring combustion parameters, adjusting modulation rates, and accessing advanced installer menus on these condensing hydronic systems. Designed for precise Velocity boiler troubleshooting, the