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2 tons for R22 systems and 3
it features a SPDT relay output (up to 240 volts at 10 amps) and a high-temperature LCD display for real-time HVAC system diagnostics
navigating the tri-color backlit LCD without opening the enclosure or requiring a hot-work permit
This single-pole single-throw (SPST) switch is factory-calibrated for an activation pressure of 0
Resideo MARD-6 Damper 319825-402 2 tons for R22 systemsThe Resideo MARD 6 is a heavy duty 6 inch modulating automatic round damper designed for high performance bypass control and zoning applications. Constructed from 22 gauge galvanized steel, this unit is built to manage the higher static pressures common in larger residential and light commercial systems, particularly those exceeding 5 tons. The integrated three wire floating actuator provides 90 second timing from open to closed, delivering granular
