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Straight line splice reducer with aluminum body and rubber seals

AirSept

AirSept 76006 Line Splice Straight Reducer 1/2"-3/8" OD solar

SKU CH-QDEA-DHTPJ

Connects 1/2" and 3/8" OD lines in solar thermal systems with a seven-piece aluminum and rubber kit

  • Product typeAccessories & Compressors
  • 7-piece kit covers multiple A/C, heater and transmission connections
  • Aluminium body with rubber seals resists corrosion and vibration
  • Straight reducer design joins 1/2 in. to 3/8 in. OD tubing
  • Includes coupler body, nuts, sealing sleeves and anti-vibration rings
  • Compact 4-1/4 in. height fits tight engine-bay spaces

Solar Line Splice Reducer

The AirSept 76006 is a straight reducer designed to join 1/2 inch and 3/8 inch outer-diameter lines in solar thermal installations. It provides a secure, leak-resistant transition between different tubing sizes without the need for multiple fittings. The component suits installers and maintenance technicians working on solar heating circuits.

Aluminium and Rubber Construction

The fitting body uses aluminium for structural strength while rubber sealing sleeves and anti-vibration tension rings create the pressure seal. This combination replaces improvised reducer assemblies that rely on tape or mismatched couplers, reducing the risk of coolant loss over time. The jump is worth it when a single, purpose-made joint cuts installation time and eliminates a common leak path.

Seven-Piece Kit Reliability

Supplied as a seven-piece set including the coupler body, nuts, sealing sleeves and tension rings, the assembly distributes clamping force evenly across the joint. Under sustained thermal cycling and vibration the anti-vibration rings maintain sealing pressure without loosening. The all-metal body resists UV degradation and temperature extremes that can weaken plastic alternatives.

How it compares

Measured against everything we stock in Solar-Powered Chargers & Devices, at today’s prices. Recalculated every night.

Price $21.99
Cheaper than about 58% of the 874 comparable items (median $25.99).

Specifications

Product
Brand nameAIRSEPT
Product typeAccessories & Compressors

Questions about this item

What are the exact dimensions of the 76006 reducer for fitting in a tight A/C line?

The reducer measures 4-1/4 inches high, 2 inches wide and 1-1/4 inches deep, so check clearance against those figures before ordering.

Which components must be assembled in the correct order during installation to prevent leaks?

Slide the nut, then the sealing sleeve and anti-vibration tension ring onto each tube before tightening the coupler body; reversing that sequence is the common mistake.

When should the rubber sealing sleeves and anti-vibration tension rings be inspected or replaced?

Inspect the rubber sleeves and tension rings at every seasonal A/C service or if vibration noise appears; replace them at the first sign of cracking or hardening.

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