bayite BYT-7A015 DC 12V Solar Circulation Pump — 2.1 GPM, 9.8 ft Head, Low Noise

Overview

The bayite BYT-7A015 is a compact DC 12V circulation pump designed to move water reliably in solar heaters, small hydronic loops, and DIY transfer projects. With a brushless motor and a quiet operating profile, it fits into tight spaces without creating noise disruptions. The unit arrives with a power adapter, making it easy to integrate into existing systems. Note that it is non-self-priming and should be installed as part of a properly primed loop.

Whether you’re shaping a solar-powered hot water loop, circulating coolant in a greenhouse, or transferring water between containers, this pump offers a balance of performance and simplicity. It is submersible, yet not suited for hot water immersion above 50°C, so plan your placement and temperature expectations accordingly.

What makes it stand out

Key figures and practical traits matter for planning your installation. It delivers up to 2.1 GPM and can lift water up to 9.8 feet of discharge head. Running on 12V DC with about 0.7 A current, it operates at a low noise level around 30 dB at 1 meter. The brushless design supports a long service life and steady performance in routine use.

Key specifications

• Max flow: 2.1 GPM
• Max discharge head: 9.8 ft
• Input: DC 12V; current ~0.7 A
• Power adapter included
• Brushless motor; low noise: ~30 dB at 1 m
• Service life: ~30,000 hours
• Max water temperature: 100°C (212°F)
• Submersible design, not to exceed 50°C hot water
• 1/2" male threaded inlet/outlet; 10 mm brass coupler OD

Practical uses

• Hot or cold water circulation in solar heating or domestic loops
• Water transfer between tanks, reservoirs, or containers
• Brewing, winemaking, and other controlled fluid handling tasks
• Fountains, decorative features, and landscape water displays
• Greenhouse irrigation and climate control loops
• Solar water heater systems and DIY solar projects

Usage tips

To get started, connect the included 12V power adapter and attach standard 1/2" fittings. Because the unit is non-self-priming, priming or pre-filled loops are recommended. Avoid dry running and keep hot water within the 50°C limit when the pump is submerged. Regularly check connections for leaks and corrosion.

Installation & compatibility

Plan the layout to minimize bends and ensure a stable mounting to reduce vibration. Use corrosion-resistant fittings and verify flow direction to match the system’s loop. If you’re powering from solar or another low-voltage source, include a simple switch for maintenance or inspection.