this is the official replacement for the older 135980 part number and is standard for the 200-400 range of UD and UB series heaters

this OEM component ensures proper system safety logic and HVAC automation

When performing HVAC pressure switch troubleshooting

always verify compatibility with the specific sensing bulb material before installation

This gasket is common in Goodman AWUF and ACNF series

Lennox 74P70 Gas Valve 30067439-890 this is the official replacementThe Lennox 74P70 Gas Valve is a critical 24V natural gas control component designed specifically for low pressure gas fired heating systems. This intermittent ignition valve facilitates precise fuel regulation to the burner assembly, ensuring consistent combustion and system safety. Engineered to operate at 24 VAC, the 74P70 is a direct replacement for the Lennox 14662052 and is widely utilized in Lennox GSB8 and GSB84 series gas boilers ranging from