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Robust Construction: Engineered to withstand the thermal cycling and vibration typical of high-demand hydronic loops
the CNT3781 is frequently specified for downflow vertical positions where the heat exchanger is in close proximity to the indoor coil
By using OEM components
Its high close-off capability allows it to maintain a tight seal under higher differential pressures
Extended Component Life: Machined surfaces reduce friction and heat buildup
Lochinvar & A.O. Smith 100109151 Switch 320788-704 Robust Construction: Engineered to withstandThe Lochinvar & A. O. Smith 100109151 is a critical safety component designed for high efficiency BTH (Best Tankless Hybrid) water heaters and commercial boilers. This Low Gas Pressure Switch is factory calibrated to a 5" WC (Water Column) set point, serving as a primary sentry to ensure safe combustion cycles. In the field, this switch monitors the incoming gas supply pressure to prevent the burner from firing under insufficient pressure conditions,
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