Engineered Controls LV4403Y66R 2 PSI LP Gas Regulator 3/4″ F NPT In/Out 1M BTU

Engineered Controls LV4403Y66R – 2 PSI Second Stage LP Gas RegulatorThe LV4403Y66R is a high-performance 2 PSI second stage propane regulator designed to reduce first-stage pressure from 10 PSIG to a stable 2 PSIG. This regulator is ideal for residential or commercial propane systems requiring consistent intermediate pressure before entering a line regulator.With a capacity of 1,000,000 BTU/hr, this model supports large appliances, multi-appliance systems, and commercial applications. A built-in relief valve, large freeze-resistant vent, and integral pressure tap make this a reliable choice for demanding LP gas installations.Key Features3/4″ FNPT inlet and outlet for high-flow capacity1,000,000 BTU/hr vapor capacityFactory-set 2 PSIG output at 10 PSIG inletLarge vent design reduces blockage and enhances ventilationIntegral relief valve for increased safetyReplaceable valve orifice & seat disc for easy serviceStraight-line valve closure reduces wear and improves regulator lifeBuilt-in pressure tap with 1/8″ FNPT plug for system testingBonnet design minimizes freeze-over when installed correctlyEngineered for durability and precision controlIdeal Use CasesResidential & commercial propane systemsMulti-appliance propane installationsHigh-BTU equipment (heaters, boilers, commercial cooking)Intermediate (second stage) LP gas pressure controlReplacement of older 2 PSI regulatorsEngineered Controls regulators are widely trusted by propane professionals for dependable performance and long service life.

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.