What is the purpose of the dual 1/8" NPT tappings

the unit is rated for an ambient temperature of 275°F

The Fenwal 05-129865-060 is a 60-inch heavy-duty high temperature ignition wire engineered for critical spark delivery in industrial and commercial heating systems

providing a robust discharge path for saturated steam

any veterant HVAC tech knows you must install a 4

Lochinvar & A.O. Smith 100278117 Gasket 340155-7026 What is the purpose ofProfessional grade maintenance requires precision components that ensure a gas tight seal and reliable combustion performance. The Lochinvar & A. O. Smith 100278117 Gasket Set is a comprehensive OEM replacement part specifically engineered for high efficiency condensing boilers and water heaters. As a veteran technician, you know that reuse of flat gaskets or fiber seals during a heat exchanger service leads to nuisance lockouts and dangerous flue gas