1. double assurance of temperature and pressure safety
2. good reputation in this field
using method: temperature and pressure relief valves is suitable for bearing the pressing type solar water heater, gas heater, electric heater, water heater of fuel, water heater of heat pump, sensitive function heater, etc. various kinds of heaters (such as the boiler) and hot water containers, can lower the temperature and reduce pressure automatically, have temperature and paressure double safe...
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