Universal F61 Compatibility: Specifically designed to fit the full range of Johnson Controls Penn F61 series standard flow switches

extending the sensor lead wire can introduce resistance that affects calibration

the RCC-1501 reversing relay includes a manual bias adjustment capable of shifting the output by +/- 15 psi

OEM Dimensional Accuracy: Direct fit for the Williams 3508 furnace motor housing

Contractor-Grade Reliability: Built with silver contacts and heavy-duty terminals to maintain calibration under sustained pilot duty electrical loads

Danfoss 060-5249 Pressure Control Freon Universal F61 Compatibility: Specifically designedThe Danfoss 060 5249 Pressure Control, also known by the KPU15B model designation, is a heavy duty dual pressure switch engineered for the rigorous demands of commercial refrigeration and air conditioning systems. This unit provides essential protection against excessively low suction pressure and high discharge pressure, functioning as a critical safety cutoff for the compressor. The low pressure side features an adjustable range of 6" Hg to 108 psig