Watts Water (WTS) Q2 2026: Data Center Sales Triple, Now 8% of Total, Recasts Growth Trajectory
Watts Water’s data center business tripled and now represents a material 8% of total sales, transforming the company’s growth mix and elevating its full-year outlook. Management’s disciplined capital allocation and operational execution offset margin dilution from acquisitions and tariffs, while soft legacy construction markets continue to weigh on the base business. With a $2B addressable data center market and new liquid cooling products ramping, Watts is positioned for outsized growth despite persistent macro and geopolitical headwinds.
Summary
- Data Center Acceleration: Data center sales now drive a significant portion of growth and margin mix.
- Margin Management: Productivity and pricing actions offset acquisition and tariff-related headwinds.
- Forward Focus: Guidance raised as Watts leans into high-growth, high-visibility data center opportunities.
Business Overview
Watts Water Technologies designs and manufactures water quality, safety, and flow control products for commercial, industrial, and residential applications. The company generates revenue through three primary geographic segments: Americas, Europe, and APMEA (Asia Pacific, Middle East, Africa). Its portfolio spans valves, backflow prevention, water heating, and most recently, data center cooling solutions. About 60% of sales come from repair and replacement activity, providing recurring revenue stability, while the remainder is tied to new construction and project-based work.
Performance Analysis
Watts delivered record sales, operating income, and EPS in Q2 2026, with organic sales up 12% and reported sales up 19%. The primary driver was surging demand for data center cooling solutions, which more than tripled year-over-year and now comprise 8% of total sales, compared to just 3% last year. Pull-forward demand and favorable pricing also contributed, while the ongoing 80-20 product rationalization program modestly reduced growth.
Margin performance was mixed. Adjusted operating margin declined 60 basis points, mainly due to acquisition dilution and lapping last year’s one-time tariff benefit. However, favorable price, volume leverage, and productivity gains helped offset these pressures, resulting in better-than-expected profitability. Segment performance varied: Americas saw robust growth but margin compression, Europe posted margin expansion on strong HVAC demand, and APMEA delivered both high growth and improved margins, aided by data center momentum in China.
- Data Center Growth Surges: Data center sales tripled, now representing 8% of total sales and driving mix shift.
- Acquisition and Tariff Dilution: Recent M&A and tariff changes pressured margins, but operational levers mitigated impact.
- Legacy Construction Weakness: Residential and non-institutional construction markets remain soft, offset by repair and replacement activity.
Free cash flow conversion remains on track for 90%+ of net income, despite temporary working capital drag from higher inventory and receivables.
Executive Commentary
"In the second quarter, our data center sales more than tripled compared with the prior year, reflecting continued strong demand for our cooling solutions, including our recently launched CoolVol thermal storage tanks... Data centers continue to represent one of our most attractive growth opportunities."
Bob Pagano, President & Chief Executive Officer
"Adjusted operating margin was 21% down 60 basis points primarily reflecting the anticipated dilution from recent acquisitions and a difficult comparison against the one-time price-cost benefit in the prior year... Even with those headwinds, margin performance was better than expected due to favorable price, volume leverage and productivity."
Diane, Chief Financial Officer
Strategic Positioning
1. Data Center Expansion and Product Innovation
Watts has rapidly expanded its data center addressable market to $2 billion, incorporating Europe, the Middle East, and Southeast Asia. The company’s new CoolVol thermal storage tanks and focus on liquid cooling content have accelerated its outgrowth versus the underlying market, driving higher content per megawatt and deeper customer engagement. This business is now a core growth vector, with visibility into mid-to-high single-digit revenue mix for the full year.
2. Capital Allocation and Operational Discipline
Watts’ strong balance sheet and negative net leverage provide ample flexibility to pursue disciplined M&A, invest in productivity, and support organic growth. CapEx is being selectively increased to support data center capacity, particularly at existing sites and within recent acquisitions like Superior Boiler, enabling agile scaling without major new footprint expansion.
3. Margin Resilience Amid External Pressures
Margin management remains a priority, with productivity and pricing actions offsetting acquisition and tariff headwinds. While gross margin saw modest dilution from mix shift and M&A, operating margin remains accretive, especially as data center business carries lower operating expense burden. Guidance now calls for margin expansion for the full year, reversing prior caution.
4. Diversification and Recurring Revenue Strength
Repair and replacement activity, accounting for 60% of sales, continues to provide a resilient foundation. This recurring revenue base helps buffer volatility from cyclical construction markets, which remain soft, especially in residential and non-institutional segments.
5. Sustainability and Innovation Commitment
Watts’ ongoing investment in sustainability and water conservation solutions aligns with customer priorities and regulatory trends. The 2025 Sustainability Report highlights progress on environmental goals and product innovation, which further supports long-term growth and brand value.
Key Considerations
This quarter marks a strategic inflection, as Watts’ data center business transitions from a niche contributor to a core growth and margin driver. Investors should weigh the following:
Key Considerations:
- Data Center Volatility: Project-based nature introduces quarter-to-quarter lumpiness, with Q2 benefiting from pull-forward demand that may not repeat.
- Tariff and Geopolitical Sensitivity: Fluid tariff regimes and Middle East conflict create ongoing cost and supply chain uncertainty.
- Legacy Market Softness: Weakness in residential and non-institutional construction persists, limiting base business growth and increasing reliance on new vectors.
- Acquisition Integration: Recent M&A is on track for synergy targets, but ongoing integration and 80-20 product rationalization could impact near-term reported growth and margins.
- Pricing Power and Cost Control: Recent price increases are moderating, but productivity and cost discipline continue to support favorable price-cost dynamics.
Risks
Watts faces several risks that could impact its growth trajectory: Data center sales, while high growth, are inherently lumpy and visibility beyond a few quarters remains limited. Persistent inflation, volatile commodity costs, and shifting tariffs present ongoing margin pressure. Geopolitical instability, especially in the Middle East, could disrupt supply chains and demand. Finally, continued softness in legacy construction markets increases reliance on newer, less predictable growth drivers.
Forward Outlook
For Q3 2026, Watts guided to:
- Reported sales up 11% to 14%, with organic growth of 5% to 8%
- EBITDA margin between 22.2% and 22.8%, operating margin between 19.8% and 20.4%
For full-year 2026, management raised guidance:
- Organic sales growth of 8% to 11%, reported sales up 14% to 17%
- Adjusted operating margin expansion of 20 to 80 basis points
- Free cash flow conversion at or above 90% of net income
Management cited data center outperformance, favorable pricing, and European strength as drivers of the guidance raise, while cautioning that macro uncertainty, tariffs, and project timing could impact quarterly cadence.
- Data center mix expected to reach mid-to-high single digits of total sales
- Americas to lead growth, with Europe and APMEA contributing via HVAC and data center strength
Takeaways
Watts’ Q2 results highlight a decisive pivot toward high-growth, high-margin data center solutions, with legacy markets providing stability but little upside. The company’s disciplined execution and capital allocation provide resilience, but investors should monitor the sustainability of data center momentum and the impact of external shocks.
- Data Center Inflection: Triple-digit data center growth and expanded TAM have structurally changed Watts’ growth profile, with new products and geographies fueling outperformance.
- Margin Management: Despite M&A and tariff headwinds, operational levers and pricing discipline support margin expansion and guidance raises.
- Monitor Volatility: Project-based data center sales and macro/geopolitical risks require vigilance, as quarterly results may remain uneven even as long-term growth accelerates.
Conclusion
Watts is executing a clear strategic shift, leveraging innovation and global reach to capitalize on the fast-growing data center market while maintaining operational discipline in the face of external pressures. With a robust balance sheet and rising guidance, the company is well positioned, but the path forward will require continued agility and risk management as reliance on data center growth increases.
Industry Read-Through
Watts’ results reinforce a broader theme: Data center infrastructure spending is accelerating globally, driving outsized growth for suppliers with specialized cooling and thermal management solutions. The shift toward liquid cooling is expanding content per project and raising the bar on product innovation. Suppliers with global manufacturing and agile supply chains are best positioned to capture share, but must navigate project lumpiness and regulatory volatility. For building products and industrial peers, pivoting toward high-growth verticals like data centers is increasingly critical as legacy construction demand softens.