Simplified Installation: Standard 3/4" female NPT inlet and outlet allow for rapid integration into existing boiler piping

What are the physical pipe connection sizes

Advanced Troubleshooting: Diagnostic LED codes simplify HVAC control board diagnostics

Since this model has no enclosure

Converting from LP back to natural gas requires a different set of regulator springs and orifices specifically calibrated for the lower pressure demands of natural gas

Laars Heating Systems RE2334700 Pressure Switch 321042-401 Simplified Installation: Standard 3/4" femaleThe Laars RE2334700 Air Pressure Switch is a critical safety component engineered specifically for the Laars NeoTherm boiler series, including models NTH 150 through NTH 850. As a veteran grade HVAC replacement part, this switch monitors the differential pressure within the combustion chamber, ensuring that the inducer fan is moving sufficient air for safe combustion. If the boiler pressure switch detects a blocked vent, intake obstruction, or fan