This Engineered Controls 2 PSI second stage propane regulator (MFG# LV4403Y46R) is designed to reduce first stage inlet pressure of 10 PSIG to a 2 PSIG outlet pressure for downstream regulation. Ideal for LP and propane gas systems in residential, agricultural, or commercial settings, this cast aluminum regulator delivers up to 1,000,000 BTU/hr vapor capacity.Key Benefits:Large 3/4" F. NPT vent connection minimizes freeze-ups and blockageBuilt-in integral relief valve for enhanced safetyPressure tap (1/8" F. NPT) allows easy system testingMolded diaphragm improves response to pressure changesReplaceable orifice and valve seat discDurable blue coating designates 2 PSI service for quick visual IDOver-inlet bonnet vent position helps reduce condensationApplications: Compatible with Rego-style shutoff valves, POL connections, and downstream line pressure regulators such as 11" W.C. (Water Column) regulators.Important Notice ? Propane Parts, Accessories, and Regulators:This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.Seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.By purchasing this item, the buyer acknowledges they have read, understood, and agreed to these terms, and confirm that installation and use will be conducted by a properly licensed and qualified professional.