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This HVAC gas regulator accessory is specifically certified for use with RV81 series units
this gauge integrates seamlessly with Weil McLain EG
engineered to interface directly with the control board via a standard 1/4 inch male quick-connect terminal
45" WC rating mean
propane manifold pressure
MARS 43341 Pressure Switch This HVAC gas regulator accessoryThe MARS 43341 Low Pressure Switch is a high reliability, automatic reset control designed to safeguard compressors in commercial and residential HVAC R systems. Engineered with a tamper proof construction, this SPST close on rise switch features a factory set 5 PSI cut out (open) and a 20 PSI cut in (close) for precise low ambient protection and fan cycling control. This MARS 70 series equivalent is built for direct tubing mounting via a 1 4 inch SAE