Taco 1-1/4 Premium Near Boiler Trim Kit - TTK-125C-PRM-1
Taco TTK-125C-PRM-1 is a complete one-box solution for boiler installations. This kit is designed to facilitate the setup of heating systems with essential components included. It consists of a 4900 Series air separator, 1/2 SWT model 3450 Combi Valve, EPDM gaskets, dual 1/2 NPT shut-off isolation valves, and a 1/2 NPT expansion tank with all necessary fittings.
Features
- Includes essential components for boiler installation.
- Compatible with various boiler systems.
- Robust design for professional use.
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Brand: Taco
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Model: TTK-125C-PRM
Specifications
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MPN: TTK-125C-PRM-1
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UPC: 190145702867
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Weight: 18.49 pounds
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Installation Type: Near Boiler
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Compatibility: Various Boiler Systems
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What Our Experts Think
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The Taco TTK-125C-PRM-1 Premium Near Boiler Trim Kit delivers a complete, ready-to-install solution for near-boiler piping on hydronic heating systems.
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Designed to save installation time and eliminate mismatched components by including factory-engineered parts.
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Includes Taco 4900 Series Air Separator, 3450 Combination Feed Valve, and 4.5-gallon expansion tank for superior air elimination, pressure control, and system protection.
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Built for 1-1/4" connections — ideal for medium-to-large closed-loop hydronic systems using water or water/glycol mixtures.
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Trusted by HVAC professionals for its durability, easy assembly, and long-term reliability.
Q&A
Q: What components are included in the kit?
A: The kit includes an air separator, combination boiler feed valve with backflow preventer, expansion tank, shut-off valves, fittings, and all necessary connections.
Q: What system types is it compatible with?
A: Suitable for closed-loop hydronic heating systems, including those with water or up to 50% glycol mixtures.
Q: What is the connection size?
A: It features 1-1/4" sweat connections for easy integration with standard boiler piping.
Q: Is this product still available?
A: This specific model has been discontinued and replaced by newer Taco trim kit versions with updated configurations.
Maintenance Tips
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Inspect and clean the air separator regularly for optimal air elimination.
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Check system pressure and ensure the feed valve operates within the recommended range.
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Verify expansion tank charge annually to maintain consistent system pressure.
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Examine fittings and seals for any leaks or corrosion.
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Flush the system periodically to prevent buildup and improve heat transfer efficien
