a functioning relay will show a momentary amp draw that drops to zero as the compressor reaches speed

For Siemens Flowrite or Johnson VG7000 valves

Common Questions & Technical Insights How do I test a York limit switch for failure

this SPST (Single Pole Single Throw) switch ensures the inducer motor establishes proper static pressure before allowing the ignition sequence to proceed

OEM Compatibility: Identified as an exact drop-in for Heil Quaker 1175187 and 36H54-470

Maxitrol TS214G Sensor 30067439-890 a functioning relay will showThe Maxitrol TS214G Sensor is a precision discharge air temperature sensor designed for integration with Maxitrol Selectra systems. This dual range thermistor monitors air stream temperatures to provide essential feedback for gas fired modulation controls. Engineered for versatility, it supports 55F to 90F and 90F to 140F operating ranges, making it a critical component for indirect fired makeup air units. When paired with a mixing tube, the TS214G