The Q179B series typically only contains the sensing rod and is used for continuous pilot applications where external ignition is provided

It features an adjustable starting point ranging from 2 to 12 PSI and an adjustable operating span of 3 to 13 PSI

a dedicated DC-rated coil and valve assembly must be used

Always verify the part number against the specific unit’s wiring diagram or parts list

ensure your center-to-center dimensions align with the 12" glass specifications for proper fit and sealing

Bard 140-198 Support 322838-754 The Q179B series typically onlyFor the seasoned HVACR contractor, maintaining peak system integrity is non negotiable. The Bard 140 198 Support, an essential OEM Combustion Chamber Support, is engineered to uphold the structural stability and operational efficiency of Bard HVAC units. This critical component ensures the combustion chamber remains securely positioned, preventing misalignment and potential heat transfer issues that can compromise system performance and safety.