4-Channel Stainless Steel Radiant Floor Heating Manifold for Hydronic PEX
Reliable 4-channel manifold for hydronic PEX floor heating systems — built from 304 stainless steel for corrosion resistance and stable heat distribution. Designed for PEX tubing (12 mm ID × 16 mm OD). 🔧🔥
Key Features
- Durable build: 304 stainless steel body for long service life.
- Adjustable flow: Upper flow meter and lower control for precise balancing.
- Quiet operation: Double EPDM O-rings reduce noise and help prevent leaks.
- Individual temperature control: Valve on each channel for zone adjustment.
- Forged toughness: Manufactured with 1700/T forging and tempering processes for strength and flexibility.
- Compatibility: Suitable for PEX tubing (inner diameter 12 mm, outer diameter 16 mm).
The 4-channel layout supports separate loops or zones to help reduce cold spots and tune heating per room. Spiral soft EPDM seals and brass valve cores designed to provide stable, leak-resistant operation within typical hydronic ranges.
Specifications
| Material | 304 stainless steel |
| Channels | 4 |
| Branch pipe spacing | 50 mm |
| Working medium | Water, steam |
| Nominal / Test pressure | Nominal up to 1.2 Mpa; Test pressure 0.8–1.0 Mpa |
| Operating temperature | 1°C to 95°C |
| Main pipe diameter | 40 mm (equivalent to DN32) |
| PEX compatibility | Inner diameter 12 mm × Outer diameter 16 mm |
| Packaging size (inner box) | 41 × 37.3 × 6.7 cm |
| Packaging size (outer box) | 42 × 38.5 × 42.5 cm |
| Weight | 4 kg |
Package Included
- 1 Bracket
- 1 Hexagon cap
- 1 Spout
Usage Tips
- Regularly check and adjust temperature control valves for balanced performance. 🔁
- Ensure all connections are secure to prevent leaks before pressurizing the system.
Care & Maintenance
- Clean the exterior surface periodically to keep the finish.
- Inspect EPDM seals and brass valve cores for wear and replace as needed.
Important Notes
Please refer to the listed specifications before purchase. Verify PEX size and compatibility with your system.
Warranty & Shipping
This product includes a 1-year limited warranty against manufacturing defects as stated in the original listing. Report defective items within 14 days for return or discount support. Delivery to the USA typically takes 2–9 business days.
Ready to improve your floor heating setup? Click Buy Now to order or message us with any questions — we usually reply within 24 hours during business hours. ✅
On Oct 26, 2026 at 20:50:29 PDT, seller added the following information: