MARS 33217 Sequencer Els PW 17895 Common Questions Is the BVS078

Common Questions Is the BVS078 compatible with R-410A systems

The bleed resistor is a critical safety and performance feature that drains the stored electrical charge after the capacitor is dropped out of the circuit

Universal Mounting: Features a multi-tap design with foot

check your controller's technical manual for port compatibility

Using non-specified wire can lead to control board damage or unsafe ignition delays

MARS 33217 Sequencer Els PW 17895 Common Questions Is the BVS078The MARS 33217 is a heavy duty 240V heat sequencer engineered for precise multi stage control in electric furnaces, heat pumps, and air handlers. Designed for veteran contractors, this thermal time delay relay features a DPST (Double Pole Single Throw) or SPDT (Single Pole Double Throw) switch action, allowing for the staggered activation of heating elements to prevent localized circuit overloads and nuisance tripping. Built with a solid state PTC