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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Bypassing a flame rollout safety switch is a severe fire hazard
this sensor delivers highly accurate and stable temperature feedback in hydronic applications
as installing an incorrect set-point can lead to frequent nuisance trips or unsafe operation
preventing nuisance pressure switch trips
MARS 90293 Relay Refrigerant Bypassing a flame rollout safetyThe MARS 90293 Relay is a foundational component for technical professionals managing HVAC R control circuits. This SPDT 24V relay, part of the MARS Series 903, is engineered to provide precise switching for fan motors, solenoids, and general purpose heating or cooling applications. It serves as a direct replacement for RBM Type 84 and WR Essex 90 293 or 90 293Q models, ensuring seamless field integration without the need for extensive wiring
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