High-output copper tube boilers and volume water heaters rely on these precision-cut gaskets to prevent bypass leaks and maintain the integrity of the heat exchanger header assembly

Designed to operate within a specific pressure range of 0 to 150 PSI

Key Benefits for the Jobsite: Direct OEM Replacement: Replaces Nordyne 663865 without the need for line modifications or additional adapters

this 1 1/4" NPT gas regulator is compatible with both natural gas and propane

utilizing this authentic Lennox repair part ensures full compatibility with the existing control board and wiring harness

Siemens Industrial Controls 3RB3016-1PB0 Relay R-407A High-output copper tube boilers andThe Siemens Industrial Controls 3RB3016 1PB0 Relay is a high performance 1 4amp solid state overload designed for precise motor protection in demanding industrial environments. Built as part of the SIRIUS 3RB30 series, this Size S00 electronic overload relay offers superior accuracy compared to standard thermal units, featuring Class 10 tripping characteristics for inverse time delayed protection. This unit is engineered for direct mounting to 3RT201