Lochinvar & A.O. Smith 100074672 Manifold Assembly 326058-755 System Reliability: Reduces the frequency

System Reliability: Reduces the frequency of maintenance calls by eliminating common causes of ignition Lockout and flame lifting

this bulb ensures the HVAC system maintains optimal static pressure by keeping the coil fins clear of organic buildup

Physical vibration in the blower housing or heat buildup at the motor end-bells also indicate internal race failure

such as the 100531 or 100532 kits

Lochinvar & A.O. Smith 100074672 Manifold Assembly 326058-755 System Reliability: Reduces the frequencyThe Lochinvar & A. O. Smith 100074672 Manifold Assembly is a critical OEM replacement component for high efficiency natural gas tankless water heaters. This integrated unit combines a precision engineered natural gas manifold with a dedicated gas valve assembly to regulate fuel delivery and maintain stable combustion across varying load demands. Whether you are servicing a residential or commercial system, using the correct Lochinvar gas manifold is