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Quick question re end switches...
ratio
Member Posts: 4,150
I've got a 4-port manifold with two zones of two loops each. Would you put the end switches in series to prove both open before allowing the boiler to run, or parallel for partial output even under an actuator fault condition? The boiler is a 4:1 modcon, the load is a car warsh so comfort isn't a concern. <edited typos>
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Parallel .
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