The 121-8-1-1/2 is a replacement Sensus Model 121 regulator. Dependable, modern design is the hallmark of the new Sensus Model 121. The 121 has greater capacity, higher inlet pressure, more accurate performance, and faster speed of response. Engineered for commercial and industrial burners, boilers and furnaces it's larger capacity can assist commercial or industrial service lines for primary control or monitoring flow. Its versatility means it can be used on a variety of applications and is compatible with natural gas, liquid propane and other non corrosive gases.
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