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Side-by-side financial comparison of Pentair (PNR) and WATTS WATER TECHNOLOGIES INC (WTS). Click either name above to swap in a different company.

Pentair is the larger business by last-quarter revenue ($1.0B vs $677.3M, roughly 1.5× WATTS WATER TECHNOLOGIES INC). Pentair runs the higher net margin — 16.6% vs 14.7%, a 1.9% gap on every dollar of revenue. On growth, WATTS WATER TECHNOLOGIES INC posted the faster year-over-year revenue change (21.4% vs 2.6%). WATTS WATER TECHNOLOGIES INC produced more free cash flow last quarter ($6.6M vs $-85.7M). Over the past eight quarters, WATTS WATER TECHNOLOGIES INC's revenue compounded faster (6.5% CAGR vs -2.9%).

Pentair plc (PNR) is an American water treatment company incorporated in Ireland with tax residency in UK, with its main U.S. office in Golden Valley, Minnesota. Pentair was founded in the US, with 65% of company's revenue coming from the US and Canada as of 2017. PNR was reorganized in 2014, shifting the corporate domicile from Switzerland to Ireland.

AERCO International, Inc. is a manufacturer and supplier of commercial condensing boilers, high efficiency water heating equipment and energy recovery systems in the HVAC/plumbing industry across a variety of markets including education, lodging, government, office buildings, healthcare, industrial and multifamily housing. In 1949, AERCO introduced the industry's first semi-instantaneous, tankless steam-to-water water heater. In 1988, AERCO introduced the first condensing and fully modulating...

PNR vs WTS — Head-to-Head

Bigger by revenue
PNR
PNR
1.5× larger
PNR
$1.0B
$677.3M
WTS
Growing faster (revenue YoY)
WTS
WTS
+18.8% gap
WTS
21.4%
2.6%
PNR
Higher net margin
PNR
PNR
1.9% more per $
PNR
16.6%
14.7%
WTS
More free cash flow
WTS
WTS
$92.3M more FCF
WTS
$6.6M
$-85.7M
PNR
Faster 2-yr revenue CAGR
WTS
WTS
Annualised
WTS
6.5%
-2.9%
PNR

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
PNR
PNR
WTS
WTS
Revenue
$1.0B
$677.3M
Net Profit
$172.4M
$99.6M
Gross Margin
41.8%
48.1%
Operating Margin
20.3%
19.6%
Net Margin
16.6%
14.7%
Revenue YoY
2.6%
21.4%
Net Profit YoY
11.3%
34.6%
EPS (diluted)
$2.97

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
PNR
PNR
WTS
WTS
Q1 26
$1.0B
$677.3M
Q4 25
$1.0B
$625.1M
Q3 25
$1.0B
$611.7M
Q2 25
$1.1B
$643.7M
Q1 25
$1.0B
$558.0M
Q4 24
$972.9M
$540.4M
Q3 24
$993.4M
$543.6M
Q2 24
$1.1B
$597.3M
Net Profit
PNR
PNR
WTS
WTS
Q1 26
$172.4M
$99.6M
Q4 25
$166.1M
$83.7M
Q3 25
$184.3M
$82.2M
Q2 25
$148.5M
$100.9M
Q1 25
$154.9M
$74.0M
Q4 24
$166.4M
$67.5M
Q3 24
$139.6M
$69.1M
Q2 24
$186.1M
$82.0M
Gross Margin
PNR
PNR
WTS
WTS
Q1 26
41.8%
48.1%
Q4 25
40.4%
49.5%
Q3 25
41.0%
48.8%
Q2 25
40.7%
50.6%
Q1 25
39.9%
48.8%
Q4 24
38.8%
46.7%
Q3 24
39.6%
47.3%
Q2 24
39.8%
47.7%
Operating Margin
PNR
PNR
WTS
WTS
Q1 26
20.3%
19.6%
Q4 25
20.1%
18.2%
Q3 25
22.7%
18.2%
Q2 25
19.4%
21.0%
Q1 25
20.1%
15.7%
Q4 24
20.1%
16.5%
Q3 24
18.1%
17.1%
Q2 24
22.6%
18.7%
Net Margin
PNR
PNR
WTS
WTS
Q1 26
16.6%
14.7%
Q4 25
16.3%
13.4%
Q3 25
18.0%
13.4%
Q2 25
13.2%
15.7%
Q1 25
15.3%
13.3%
Q4 24
17.1%
12.5%
Q3 24
14.1%
12.7%
Q2 24
16.9%
13.7%
EPS (diluted)
PNR
PNR
WTS
WTS
Q1 26
$2.97
Q4 25
$1.01
$2.50
Q3 25
$1.12
$2.45
Q2 25
$0.90
$3.01
Q1 25
$0.93
$2.21
Q4 24
$0.99
$2.02
Q3 24
$0.84
$2.06
Q2 24
$1.11
$2.44

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
PNR
PNR
WTS
WTS
Cash + ST InvestmentsLiquidity on hand
$67.7M
$374.7M
Total DebtLower is stronger
$1.9B
$197.8M
Stockholders' EquityBook value
$3.8B
$2.1B
Total Assets
$7.1B
$2.9B
Debt / EquityLower = less leverage
0.51×
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PNR
PNR
WTS
WTS
Q1 26
$67.7M
$374.7M
Q4 25
$405.5M
Q3 25
$128.4M
$457.7M
Q2 25
$143.0M
$369.3M
Q1 25
$140.6M
$336.8M
Q4 24
$118.7M
$386.9M
Q3 24
$218.1M
$303.9M
Q2 24
$214.3M
$279.4M
Total Debt
PNR
PNR
WTS
WTS
Q1 26
$1.9B
$197.8M
Q4 25
$1.6B
Q3 25
$1.6B
Q2 25
$1.4B
Q1 25
$1.8B
Q4 24
$1.6B
Q3 24
Q2 24
$1.8B
Stockholders' Equity
PNR
PNR
WTS
WTS
Q1 26
$3.8B
$2.1B
Q4 25
$3.9B
$2.0B
Q3 25
$3.8B
$2.0B
Q2 25
$3.7B
$1.9B
Q1 25
$3.6B
$1.8B
Q4 24
$3.6B
$1.7B
Q3 24
$3.5B
$1.7B
Q2 24
$3.4B
$1.6B
Total Assets
PNR
PNR
WTS
WTS
Q1 26
$7.1B
$2.9B
Q4 25
$6.9B
$2.9B
Q3 25
$6.8B
$2.7B
Q2 25
$6.5B
$2.6B
Q1 25
$6.7B
$2.5B
Q4 24
$6.4B
$2.4B
Q3 24
$6.5B
$2.4B
Q2 24
$6.5B
$2.4B
Debt / Equity
PNR
PNR
WTS
WTS
Q1 26
0.51×
0.09×
Q4 25
0.42×
Q3 25
0.42×
Q2 25
0.38×
Q1 25
0.51×
Q4 24
0.46×
Q3 24
Q2 24
0.51×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
PNR
PNR
WTS
WTS
Operating Cash FlowLast quarter
$17.9M
Free Cash FlowOCF − Capex
$-85.7M
$6.6M
FCF MarginFCF / Revenue
-8.3%
1.0%
Capex IntensityCapex / Revenue
1.8%
Cash ConversionOCF / Net Profit
0.18×
TTM Free Cash FlowTrailing 4 quarters
$716.0M
$317.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PNR
PNR
WTS
WTS
Q1 26
$17.9M
Q4 25
$50.8M
$154.7M
Q3 25
$196.3M
$122.4M
Q2 25
$606.6M
$69.7M
Q1 25
$-38.9M
$55.2M
Q4 24
$86.5M
$139.5M
Q3 24
$248.6M
$90.7M
Q2 24
$539.2M
$85.3M
Free Cash Flow
PNR
PNR
WTS
WTS
Q1 26
$-85.7M
$6.6M
Q4 25
$27.1M
$140.3M
Q3 25
$178.9M
$110.9M
Q2 25
$595.7M
$59.5M
Q1 25
$-55.7M
$45.6M
Q4 24
$63.8M
$127.5M
Q3 24
$233.2M
$84.3M
Q2 24
$522.2M
$78.5M
FCF Margin
PNR
PNR
WTS
WTS
Q1 26
-8.3%
1.0%
Q4 25
2.7%
22.4%
Q3 25
17.5%
18.1%
Q2 25
53.0%
9.2%
Q1 25
-5.5%
8.2%
Q4 24
6.6%
23.6%
Q3 24
23.5%
15.5%
Q2 24
47.5%
13.1%
Capex Intensity
PNR
PNR
WTS
WTS
Q1 26
1.8%
Q4 25
2.3%
2.3%
Q3 25
1.7%
1.9%
Q2 25
1.0%
1.6%
Q1 25
1.7%
1.7%
Q4 24
2.3%
2.2%
Q3 24
1.6%
1.2%
Q2 24
1.5%
1.1%
Cash Conversion
PNR
PNR
WTS
WTS
Q1 26
0.18×
Q4 25
0.31×
1.85×
Q3 25
1.07×
1.49×
Q2 25
4.08×
0.69×
Q1 25
-0.25×
0.75×
Q4 24
0.52×
2.07×
Q3 24
1.78×
1.31×
Q2 24
2.90×
1.04×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

PNR
PNR

Water Solutions$391.0M38%
Pool$387.1M37%
Flow$258.1M25%

WTS
WTS

segment net$517.8M76%
Other$159.5M24%

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