Engineered Controls 3/4″ NPT First Stage Regulator LV4403SR66 2.5M BTU LPG

Engineered Controls Compact High Pressure First Stage Regulator – MFG# LV4403SR66This high-performance first stage regulator is designed for use in two-stage LP gas systems, reducing tank pressure to a safe intermediate level for downstream appliances. With 3/4″ MPT inlet and outlet ports, this regulator supports high-capacity gas delivery with a factory-set pressure of 5 PSI and a total throughput of 2,500,000 BTU/hr.Ideal for powering industrial burners, boilers, or multi-cylinder setups, the LV4403SR66 features an integrated relief valve, precision control via an extended lever arm, and a space-saving compact design. It ensures consistent and safe gas flow in high-demand environments.🔧 Specifications:Inlet: 3/4″ Male NPTOutlet: 3/4″ Male NPTDelivery Pressure: 5 PSI (factory set)Capacity: 2.5M BTU/hrColor: Industrial RedBody Material: Cast AluminumConfiguration: First Stage Regulator – for vapor use only✅ Applications:Propane vapor serviceLP gas storage tank regulationEquipment requiring intermediate pressure (5–10 PSI)Works seamlessly with second stage regulators, autogas filters, and high-pressure LP hose assemblies.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.

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.

The 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 that 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.