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The System Sensor ST-3 is a professional-grade metal duct sampling tube engineered for precise air monitoring in commercial and industrial HVAC systems
specifically molded to seat within the groove of the Rotalock valve assembly for a compression-tight fit
this 3/4" female iron pipe thread to copper solder fitting ensures code compliance and protects against the premature oxidation typically found at mixed-metal junctions
Common Questions About the Honeywell 314100 Diaphragm:
ensuring the thermal signal to the thermocouple remains constant
Reznor 40965 Orifice The System Sensor ST-3 isThe Reznor 40965 LP Pilot Orifice is a precision machined propane gas component engineered for reliable ignition in light commercial and industrial unit heaters. Designed for liquid propane (LP) pilot burner assemblies, this #4207 sized orifice ensures the exact gas to air mixture required to maintain a stable pilot flame, preventing common nuisance drop outs caused by improper millivolt signals to the thermocouple. As an authentic replacement Reznor
US$ 137.00
US$ 186.00
US$ 35.00