Always verify the cross-reference part number (184768-001) on the existing housing before installation to ensure a proper fit with the 1

protecting critical heating components

or a furnace that fails to stay lit due to a pressure switch error

OEM Status ensures the part maintains system efficiency and original equipment standards without the troubleshooting headaches of universal alternatives

Dwyer Instruments 475-1-FM Manometer 326058-758 Always verify the cross-reference partThe Dwyer Instruments 475 1 FM Manometer is a field ready intrinsically safe digital manometer designed for the precise measurement of positive, negative, or differential pressures. Engineered for natural gas pressure testing and HVAC troubleshooting, this rugged tool features a range of 0 to 20. 00" w. c. (4. 982 kPa) with a 10 psig maximum pressure limit. The FM approved rating makes it essential for technicians working in hazardous Class I, Div. 2