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the 7419309 is the official manufacturer-designated direct replacement for part number 3161274
and flow conditions
Smith 100288924 Hose is a professional-grade 1-inch condensate hose designed to withstand the corrosive nature of low-pH discharge
Technicians should periodically cycle the zero adjustment screw located on the front cover to account for ambient pressure changes and ensure the pointer is accurately zeroed
Reznor 193808 Pressure Switch THPU32HP7Y the 7419309 is the officialThe Reznor 193808 Pressure Switch is a high performance SPDT (Single Pole Double Throw) combustion air proving switch designed for precise pressure regulation in commercial and industrial HVAC equipment. This OEM certified component features dual 1 4" barb connections for seamless integration into differential pressure sensing loops. Engineered for high altitude applications and compatible with various Reznor heating units, it ensures the induction