Maxitrol - 325-5AL-3/4-V - 3/4" Gas Regulator 2 PSI 550 MBTU Type_High Liquid Its 13-1/2-inch by 19-3/4-inch shape

Its 13-1/2-inch by 19-3/4-inch shape is sized for compatible MC-3210

so the complete faucet or valve model

Houzer describes it as reversible

Install in the indicated flow direction

Maxitrol - 325-5AL-3/4-V - 3/4" Gas Regulator 2 PSI 550 MBTU Type_High Liquid Its 13-1/2-inch by 19-3/4-inch shapeSpec Sheet 325 Series pounds to inches regulators are for use on residential, commercial, and industrial applications. The 325 Series features a high leverage valve linkage assembly to deliver positive dead end lock up. The regulators are capable of precise regulating control from full flow down to pilot flow. SPECIFICATIONS Gases Suitable for natural, manufactured, mixed gases, liquefied petroleum gases, and LP gas air mixtures. Maximum Individual