Can this thermostat be used with millivolt floor heaters

The MK-3121 is rated for a maximum air pressure of 30 PSIG

The Lennox 45F08 Low Ambient Cutoff Switch is a critical SPST (Single Pole Single Throw) safety component engineered for HVACR systems utilizing high-pressure refrigerants like R-410A

to prevent the build-up of resistive oxides

Engineered for stable voltage regulation and terminal durability

Siemens Building Technology 540-670B Sensor 320735-701 Can this thermostat be usedThe Siemens 540 670B is a TEC Room Sensor designed for integration with Siemens Building Technologies terminal equipment controllers. This unit provides precision room temperature sensing and features a local setpoint adjustment slider and a manual override button for temporary occupancy requests. Built for durability in commercial environments, the 540 670B utilizes a 10K Ohm Type II thermistor to ensure accurate HVAC automation feedback and stable