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Clear hexagonal brass flow indicator with G1/4 threads and digital RGB LED lighting

Bitspower

Bitspower G1/4" Hexagon Flow Indicator Digital RGB gauge

SKU CH-39MQ-W3ZCJ

A G1/4" hexagon flow indicator with digital RGB LEDs for visually monitoring coolant flow in water-cooling systems, made from high-quality brass with a hidden O-ring design

  • Product typeFittings
  • Visually monitor coolant flow with integrated Digital RGB LED
  • Standard G1/4" thread fits common water-cooling loops
  • Durable brass construction ensures long-term reliability
  • Hidden O-ring design prevents leaks at connection points
  • Clear body allows unobstructed view of flow indicator

G1/4" Hexagon Flow Indicator

The Bitspower G1/4" Hexagon Flow Indicator Digital RGB gauge is a water-cooling fitting that lets you visually confirm coolant movement inside a custom loop. It threads directly into any standard G1/4" port on blocks, radiators or reservoirs. The clear body and integrated Digital RGB LEDs provide both functional flow verification and programmable lighting effects for enthusiasts building showpiece systems.

Brass Construction with Hidden O-Ring

The gauge body is machined from high-quality brass for corrosion resistance and long-term durability in liquid-cooling environments. A hidden O-ring design seals the G1/4" threads without exposed rubber, giving a clean aesthetic while maintaining a reliable, leak-free connection. The transparent hexagonal housing allows an unobstructed view of the internal spinner so flow status is instantly readable at a glance.

Verify G1/4" Port Availability

Before ordering, confirm that your loop components have free G1/4" threads for installation and that your motherboard or controller offers a compatible 5 V 3-pin addressable RGB header for the Digital RGB lighting. The fitting adds length to the port, so check clearance around adjacent fittings or tubing runs. No additional mounting hardware is required beyond standard G1/4" tightening tools.

How it compares

Measured against everything we stock in Gauges & Tachometers, at today’s prices. Recalculated every night.

Price $44.99
Pricier than about 62% of the 193 comparable items (median $35.99).

Specifications

Product
Product typeFittings

Questions about this item

Does the G1/4" thread match the standard port depth used in most custom loops?

The fitting uses a standard G1/4" thread compatible with common water-cooling components; the hexagonal brass body and hidden O-ring seat directly into the port.

What clearance does the hexagonal brass body need around the port?

The low-profile hexagon shape sits close to the component surface; allow enough room for the body diameter and the Digital RGB LED diffuser to sit unobstructed.

How is the Digital RGB lighting connected and what header does it need?

The unit includes a standard 3-pin 5 V Digital RGB connector that plugs into a motherboard or controller header; align the arrow on the plug with the 5 V pin to avoid reversed polarity.

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