Central Boiler 25mm ThermoPEX Insulated Underground Pipe CoilsCentral Boiler 25mm ThermoPEX Insulated Underground Pipe Coils
Central Boiler 25mm ThermoPEX underground pipe layer and insulation cross-section diagramCentral Boiler 25mm ThermoPEX Insulated Underground Pipe Coils
Central Boiler 25mm ThermoPEX pre-insulated pipe line drawing and schematic diagramCentral Boiler 25mm ThermoPEX Insulated Underground Pipe Coils
Central Boiler 25mm ThermoPEX Insulated Underground Pipe Coils - Image 4Central Boiler 25mm ThermoPEX Insulated Underground Pipe Coils

Central Boiler 25mm ThermoPEX Insulated Underground Pipe Coils

Price range: $873.40 through $1,508.60

Genuine OEM Central Boiler 25mm ThermoPEX flexible pre-insulated underground pipe. A lightweight, cost-effective alternative to 1″ pipe, engineered specifically for shorter runs (under 100 ft) and straightforward homeowner installation.

🚛 Transport & Sizing: Coils weigh approximately 40 lbs (55 ft) and 70 lbs (95 ft). The 55-ft roll measures approx. 40″ x 40″ x 20″, making it manageable to haul in most pickup truck beds or utility trailers without needing a forklift.

📍 Fulfillment: Available for Local Pickup Only at our Hanna City, IL location (View Map).

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SKU: CB-25MM-THERMOPEX Categories: , Tags: , , , , , , , , Brand:

Description

Central Boiler 25mm ThermoPEX is a proven, energy-efficient pre-insulated underground piping system designed specifically for outdoor wood furnaces and shorter trench runs (under 100 feet). Featuring two waterproof oxygen-barrier PEX-A lines encased in high-grade factory insulation and a durable waterproof outer jacket (2-15/16″ outer diameter), 25mm ThermoPEX delivers dependable performance at an affordable price point.

Why Choose 25mm ThermoPEX for Shorter Runs?

  • Manageable Handling & Transport: Coils weigh approximately 40 lbs (55 ft) and 70 lbs (95 ft). Transportable in most standard pickup truck beds or utility trailers without requiring heavy lifting equipment or a forklift.
  • Homeowner & DIY Friendly: Offers greater flexibility and a smaller bend radius than larger 1″ pipe, making it easier to maneuver through trenches and connect to your furnace and heat exchangers.
  • Thermal Efficiency: Engineered to minimize heat loss between your outdoor boiler and home over underground runs.
  • Sizing & Application: Well-suited for runs under 100 feet powering a single water-to-air furnace exchanger and side arm exchanger.
  • Factory Packaged Coils: Available in pre-cut 55-foot (P/N 5700047) and 95-foot (P/N 5700046) coils.

Factory Specifications:

  • Brand: Central Boiler (Genuine OEM)
  • Carrier Lines: Two waterproof oxygen-barrier PEX-A lines (supply and return)
  • Outer Protective Jacket: 2-15/16″ (approx. 3″) watertight polyethylene casing
  • 55-Foot Roll (P/N 5700047): approx. 40 lbs (Dimensions: approx. 40″ x 40″ x 20″)
  • 95-Foot Roll (P/N 5700046): approx. 70 lbs
  • Fulfillment: Local Pickup Only at our Hanna City, IL location (View Map & Directions).

🔥 Installing a New System?

Boiler Authority is an authorized Central Boiler and Maxim dealer. Looking for a new furnace installation, pellet stove consultation, or site assessment? Request a Furnace Consultation / Quote.

Essential installation accessories: Don’t forget to order your 25mm ThermoPEX End Caps, Couplings, and Circulator Pumps to complete your setup.

Additional information

WeightN/A
Roll Length

55-Foot Roll, 95-Foot Roll

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