Tekmar Controls 553 Thermostat 326070-701 this filter is an essential

this filter is an essential post-filtration component designed to adsorb volatile organic compounds (VOCs) and gaseous odors that standard mechanical filters cannot capture

a specific regulator spring and stem for natural gas settings

Technicians typically look for heavy frost or ice buildup on the coils

Is the mounting orientation fixed

Tekmar Controls 553 Thermostat 326070-701 this filter is an essentialThe Tekmar 553 Thermostat is a versatile 24V AC controls solution designed for advanced hydronic and forced air integration. Operating as a standalone unit or within TekmarNet 2 (tN2) and tN2 tN4 communication bus systems, this programmable touchscreen thermostat manages two stages of heating, one stage of cooling, and full fan control. Contractors utilize the 553 for its precise relative humidity control and auto cycling capabilities, ensuring