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The LARSEN SUPPLY CO., INC. 02-1415 is a size 27 O-ring sold in a 2-pack, carded for retail and trade counter display. Measuring 9/16 inches inner diameter by 11/16 inches outer diameter by 1/16 inches cross-section, this O-ring is sized to standard number 27 dimensions used across a wide range of plumbing, HVAC, and mechanical sealing applications. The compact cross-section and standard sizing make it a common replacement seal for valves, fittings, and fixture connections where a reliable, low-profile ring is required. Plumbers, HVAC technicians, and general maintenance professionals keep these on hand for routine service calls.
This O-ring is used wherever a size 27 seal is specified in residential and light commercial plumbing and HVAC systems. Typical applications include faucet cartridge seals, valve stem seals, supply line fittings, and similar connection points that require a snug, leak-resistant seal. The 2-pack carded format is suited for trade counter sales and field service kits where having a spare on hand prevents a second trip.
Designed as an OEM-style replacement for plumbing and HVAC components requiring a standard size 27 O-ring seal.
O-ring replacement is typically performed by a licensed plumber or HVAC technician. Shut off the water supply or isolate the system before disassembling any valve or fitting. Inspect the seating groove for debris or damage before installing the new O-ring. Lubricate the O-ring with an appropriate, compatible lubricant prior to seating to reduce the risk of tearing during assembly.
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