the Reznor 211791 prevents debris ingress and protects the exhaust outlet from environmental factors that can compromise airflow

or 460V 3-phase power connections to match common commercial electrical site requirements

an A12 or A30 series with a different range may be better suited

300 BTU of supplemental or primary heating

essential for protecting downstream components

Barksdale MSPS-EE05-Q71 Pressure Switch 326058-756 the Reznor 211791 prevents debrisThe Barksdale MSPS EE05 Q71 Pressure Switch is a high performance diaphragm pressure switch designed for critical low pressure monitoring and control applications. Engineered for the HVACR technician, this stripper style pressure switch features a 1 2 to 5 psi adjustable range, providing a SPST Normally Open contact configuration that closes on rising pressure. The unit is built with a 304 stainless steel 1 8" NPT process fitting and Buna N seals,