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long-term performance under extreme site conditions
it is constructed from high-performance elastomers that resist degradation when exposed to common refrigerants and polyolester (POE) or mineral oils
unexpected system alarms
which maintains accuracy in demanding residential and light commercial heating environments
United Electric H100-218 Vacuum Switch THPU32HP7Y long-term performance under extreme siteThe United Electric H100 218 Vacuum Switch is a heavy duty, field adjustable control engineered for precise vacuum pressure monitoring in demanding industrial and HVACR environments. This SPDT vacuum switch features a rugged, NEMA 4X epoxy coated aluminum enclosure, making it a reliable choice for protecting pumps, compressors, and heat tracing systems against negative pressure excursions. With a 1 4" FNPT nickel plated brass connection and phosphor