Engineered Controls LV4403Y66 2 PSI Second Stage Regulator 3/4″ FNPT LP Gas 1M B

Engineered Controls LV4403Y66 – 2 PSI Second Stage Propane Regulator – 3/4″ FNPTThe Engineered Controls LV4403Y66 is a high-capacity 2 PSI second stage propane regulator designed to reduce upstream pressure from a 10 PSIG first-stage supply down to a stable 2 PSIG delivery pressure. From there, a line pressure regulator is used downstream to achieve the standard 11″ WC appliance pressure.This regulator is ideal for both residential and commercial propane systems, especially where 2 PSI service lines are required to support long gas runs or multiple appliances.Engineered for Reliability & High CapacityWith a maximum capacity of 1,000,000 BTU/hr, this second stage regulator supports large propane loads used in homes, restaurants, agricultural heaters, light commercial equipment, and bulk plant distribution systems.Its large molded diaphragm ensures fast response to demand fluctuations, while the unique bonnet vent design minimizes freeze-ups when installed correctly.Key Features3/4″ FNPT inlet and outletFactory set to 2 PSIG (at 10 PSIG inlet)1,000,000 BTU propane capacityLarge vent helps prevent blockage; accepts 3/4″ FNPT vent pipingBuilt-in relief valve for added safetyReplaceable valve orifice and seat discStraight-line valve closure reduces wear and increases lifespanIntegrated pressure tap with 1/8″ FNPT plugFreeze-resistant bonnet vent profileApplicationsResidential 2 PSI propane systemsLight commercial LP distributionMulti-appliance propane homesLong-distance LP service linesBulk tank installations requiring stable 2 PSI downstream pressureSpecificationsBrand: Engineered ControlsModel / MFG#: LV4403Y66DLP Number: 1LP3257Gas Type: LP GasInlet / Outlet: 3/4″ FNPTCapacity: 1,000,000 BTU/hrFactory Pressure: 2 PSICondition: Brand NewA rugged, dependable second-stage regulator designed to deliver consistent performance in demanding propane gas systems.

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.