Hayward Universal H-Series 135,000 BTU Natural Gas Pool and Spa Heater with OmniX Low NOx W3HS135FDN

The Hayward Universal H-Series 135,000 BTU natural gas heater with OmniX is an above-ground pool and spa heater that pairs leading heating technology with smart connectivity and easy operation. At its center is Hayward Universal Display, which gives a consistent, intuitive control experience across Omni, OmniX, and competitive automation systems. With OmniX embedded intelligence built in, the heater adds enhanced programmability, advanced diagnostics, and seamless remote connectivity. A cupro-nickel heat exchanger protects against corrosion and premature failure from unbalanced water chemistry, and Hayward Totally Managed water flow delivers industry-leading hydraulic performance with fast speed-to-heat. Front-panel-only access keeps service and maintenance simple, and a universal junction box supports left or right electrical installation. It is a Low NOx model that meets clean air quality standards.

Features

• OmniX embedded intelligence for enhanced programmability, diagnostics, and remote connectivity
• Universal Display works across Omni, OmniX, and competitive automation systems
• Cupro-nickel heat exchanger resists corrosion from unbalanced water chemistry
• Totally Managed water flow for industry-leading hydraulics and fast speed-to-heat
• Front-panel-only access for easier, lower-cost service
• Universal junction box allows left or right electrical installation
• Plug-in 120V cord (3 ft) for easy installation
• Low NOx emissions that meet clean air quality standards

Specifications

• Part Number: W3HS135FDN
• Type: Natural gas pool and spa heater with OmniX
• Heating Capacity: 135,000 BTU/hr
• Fuel: Natural gas
• Emissions: Low NOx
• Application: Above-ground pools and spas
• Heat Exchanger: Cupro-nickel
• Automation: OmniX embedded, Universal Display, works with Omni/OmniX/competitive systems
• Voltage: 120V, 60 Hz, single phase, plug-in 3 ft cord
• Circuit: 5.5 amps, 15 amp max breaker
• Access: Front panel only
• Clearances: 12 in sides, 6 in rear
• Shipping Dimensions: 30.6 in x 32.8 in x 33.3 in
• Shipping Weight: 129 lb
• Warranty: 1 year parts

Shipping: We offer free standard shipping on all orders within the contiguous United States (lower 48). We do not currently ship to Alaska, Hawaii, or Puerto Rico. Any other restrictions will be shown at checkout. We do not currently ship internationally. Orders ship within 1 to 2 business days, and delivery typically takes 4 to 6 business days after shipping, for a total of about 5 to 8 business days from your order date.

Tracking information is emailed once your order ships. We do not currently offer international shipping. See our full Shipping Policy for full details.

Returns: Unused items in their original packaging may be returned within 30 days of delivery. To start a return, request a Return Merchandise Authorization (RMA) by emailing support@nationalpoolsupply.com or calling +1 978-222-0628 with your order number and the reason for the return (include photos if the item is defective, damaged, or incorrect). Once your RMA is approved, ship the item with your RMA number to: DHB Enterprises LLC / National Pool Supply, 30 Log Bridge Rd, Building 300, Unit 301, Middleton, MA 01949. Change-of-mind returns: you pay return shipping, and a 15% restocking fee applies; original shipping costs are not refunded. Defective, damaged, or incorrect items reported within 30 days of delivery are returned at no cost to you with a prepaid label, and no restocking fee applies. See our full Refund and Returns Policy for full details.

Manufacturer Warranty:
This product carries the manufacturer's warranty, where applicable. Warranty terms, coverage, and exclusions are set by the manufacturer. Warranty claims are filed directly with the manufacturer; we do not process warranty claims or offer a separate warranty of our own. If you need the manufacturer's contact details, contact us and we will share them. See our Warranty page for details.