the MARS 780 contactor series simplifies field maintenance with an enclosed body design that prevents dust and insect intrusion while dampening operational noise

the Watts 3/4 inch relief valve handles significant thermal expansion loads

not instead of

smoothing out rapid pressure fluctuations that can cause "chatter" in pressure switches

nitrile or viton seals (depending on specific valve series compatibility)

BASO H91AA-6 Gas Valve Els PW 17895 the MARS 780 contactor seriesThe BASO H91AA 6 automatic gas valve is a robust, electrically operated shutoff valve engineered for reliable performance across a broad spectrum of gas fired appliances. This 120V gas valve is designed to integrate seamlessly into systems requiring precise gas flow control, responding directly to demand signals from thermostats or other control devices. Compatible with both natural gas and LP gas, it handles pressures up to 0. 5 PSI, making it a