Free UK delivery on every order Easy 14-day returns · free returns label Dispatched within 1–2 business days Secure checkout · encrypted end to end
Navien

NPE-180S2 – Condensing Tankless Water Heater – 150,000 BTU

£689.00

Brand-new, genuine product supplied in its original packaging. Free UK delivery and easy 14-day returns.

Category:

Price includes VAT where applicable. Free UK delivery.

14-day free returnsChanged your mind? Send it back free. How returns work FREE
  • Free UK delivery, 3–6 business days
  • Secure, encrypted checkout
  • Brand-new, in original packaging
Description

Navien NPE-180S2 - Condensing Tankless Water Heater - 150,000 BTU

The Navien NPE-180S2 is a high-efficiency condensing tankless water heater built to provide continuous hot water for residential homes. With an input range of 15,000 to 150,000 BTU per hour and a Uniform Energy Factor of 0.96, this unit is Energy Star certified and delivers reliable performance with reduced energy costs. It supports flow rates up to 8.4 gallons per minute at a 35°F rise, making it well-suited for homes with multiple bathrooms or simultaneous hot water needs.

Engineered with dual stainless steel heat exchangers for enhanced durability and ultra condensing performance, the NPE-180S2 is designed for indoor or outdoor wall-hung installation. It includes the EZNavTM multi-line control panel with integrated HotButtonTM control and supports cascading with up to 32 units using Navien’s Ready-Link system. Approved for direct venting, it supports 2" venting up to 60 feet and 1/2" gas line capability up to 24 feet, offering flexible, space-saving installation options.

Features

  • Up to 150,000 BTU/h input capacity
  • 0.96 UEF and Energy Star certified
  • Flow rate: 8.4 GPM at 35°F rise
  • Dual stainless steel heat exchangers
  • Ultra condensing efficiency
  • Low NOx emissions (20 ppm)
  • Field convertible gas system (NG/LP)
  • Indoor or outdoor wall-hung installation
  • EZNavTM control panel with HotButtonTM
  • Cascading capable with up to 32 units via Ready-Link
  • Direct venting: 2" PVC up to 60 feet
  • 1/2" gas pipe capable up to 24 feet
  • Gas connection: 3/4" NPT
  • Water connections: 3/4" hot and cold
  • 120V, single phase operation

Applications

  • Residential homes with high hot water demand
  • Multi-bathroom households
  • Compact installations needing wall-hung systems
  • Projects requiring venting and gas line flexibility
  • Multi-unit cascade setups for greater capacity

Product Includes

  • 1 - Wall Mounting Bracket
  • 4 - Tapping Screw and Anchor
  • 2 - Vent Terminator
  • 4 - Wall Flanges

PNAV000021

Delivery

Free UK delivery on every order. We dispatch within 1–2 business days and Royal Mail delivers in 2–4 business days, so most orders arrive within 3–6 business days.

You'll get an email with a tracking link as soon as your order is on its way. We currently deliver to addresses in the United Kingdom.

Read our shipping policy

Returns & refunds

Return any item within 14 days of delivery for a refund. A prepaid returns label is included in your parcel, so returns are free, and there's no restocking fee.

If something arrives faulty, damaged or not as described, the Consumer Rights Act 2015 gives you a 30-day right to reject it for a full refund. Just email us with photos and we'll put it right at our cost.

Read our refund policy

Scroll to Top