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Side-by-side financial comparison of WATTS WATER TECHNOLOGIES INC (WTS) and Zurn Elkay Water Solutions Corp (ZWS). Click either name above to swap in a different company.

WATTS WATER TECHNOLOGIES INC is the larger business by last-quarter revenue ($625.1M vs $407.2M, roughly 1.5× Zurn Elkay Water Solutions Corp). WATTS WATER TECHNOLOGIES INC runs the higher net margin — 13.4% vs 10.3%, a 3.1% gap on every dollar of revenue. On growth, WATTS WATER TECHNOLOGIES INC posted the faster year-over-year revenue change (15.7% vs 9.8%). Over the past eight quarters, WATTS WATER TECHNOLOGIES INC's revenue compounded faster (4.6% CAGR vs 4.4%).

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...

Zurn Elkay Water Solutions Corp designs, manufactures, and distributes a wide range of water management and dispensing products, including commercial plumbing fixtures, drinking fountains, water filtration systems, and flow control components. It serves commercial, residential, industrial, and public infrastructure markets primarily across North America, with a focus on delivering sustainable, water-efficient solutions for diverse end-user needs.

WTS vs ZWS — Head-to-Head

Bigger by revenue
WTS
WTS
1.5× larger
WTS
$625.1M
$407.2M
ZWS
Growing faster (revenue YoY)
WTS
WTS
+5.8% gap
WTS
15.7%
9.8%
ZWS
Higher net margin
WTS
WTS
3.1% more per $
WTS
13.4%
10.3%
ZWS
Faster 2-yr revenue CAGR
WTS
WTS
Annualised
WTS
4.6%
4.4%
ZWS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
WTS
WTS
ZWS
ZWS
Revenue
$625.1M
$407.2M
Net Profit
$83.7M
$42.1M
Gross Margin
49.5%
44.4%
Operating Margin
18.2%
14.8%
Net Margin
13.4%
10.3%
Revenue YoY
15.7%
9.8%
Net Profit YoY
24.0%
15.7%
EPS (diluted)
$2.50
$0.24

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
WTS
WTS
ZWS
ZWS
Q4 25
$625.1M
$407.2M
Q3 25
$611.7M
$455.4M
Q2 25
$643.7M
$444.5M
Q1 25
$558.0M
$388.8M
Q4 24
$540.4M
$370.7M
Q3 24
$543.6M
$410.0M
Q2 24
$597.3M
$412.0M
Q1 24
$570.9M
$373.8M
Net Profit
WTS
WTS
ZWS
ZWS
Q4 25
$83.7M
$42.1M
Q3 25
$82.2M
$61.8M
Q2 25
$100.9M
$50.5M
Q1 25
$74.0M
$43.6M
Q4 24
$67.5M
$36.4M
Q3 24
$69.1M
$43.5M
Q2 24
$82.0M
$46.0M
Q1 24
$72.6M
$34.3M
Gross Margin
WTS
WTS
ZWS
ZWS
Q4 25
49.5%
44.4%
Q3 25
48.8%
44.1%
Q2 25
50.6%
45.5%
Q1 25
48.8%
46.6%
Q4 24
46.7%
43.5%
Q3 24
47.3%
46.2%
Q2 24
47.7%
45.2%
Q1 24
46.9%
45.5%
Operating Margin
WTS
WTS
ZWS
ZWS
Q4 25
18.2%
14.8%
Q3 25
18.2%
17.0%
Q2 25
21.0%
17.5%
Q1 25
15.7%
16.3%
Q4 24
16.5%
13.3%
Q3 24
17.1%
17.1%
Q2 24
18.7%
17.5%
Q1 24
16.9%
14.2%
Net Margin
WTS
WTS
ZWS
ZWS
Q4 25
13.4%
10.3%
Q3 25
13.4%
13.6%
Q2 25
15.7%
11.4%
Q1 25
13.3%
11.2%
Q4 24
12.5%
9.8%
Q3 24
12.7%
10.6%
Q2 24
13.7%
11.2%
Q1 24
12.7%
9.2%
EPS (diluted)
WTS
WTS
ZWS
ZWS
Q4 25
$2.50
$0.24
Q3 25
$2.45
$0.36
Q2 25
$3.01
$0.29
Q1 25
$2.21
$0.26
Q4 24
$2.02
$0.21
Q3 24
$2.06
$0.25
Q2 24
$2.44
$0.27
Q1 24
$2.17
$0.19

Balance Sheet & Financial Strength

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

Metric
WTS
WTS
ZWS
ZWS
Cash + ST InvestmentsLiquidity on hand
$405.5M
$300.5M
Total DebtLower is stronger
$496.5M
Stockholders' EquityBook value
$2.0B
$1.6B
Total Assets
$2.9B
$2.7B
Debt / EquityLower = less leverage
0.31×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
WTS
WTS
ZWS
ZWS
Q4 25
$405.5M
$300.5M
Q3 25
$457.7M
$260.1M
Q2 25
$369.3M
$201.9M
Q1 25
$336.8M
$144.7M
Q4 24
$386.9M
$198.0M
Q3 24
$303.9M
$187.9M
Q2 24
$279.4M
$162.7M
Q1 24
$237.1M
$157.1M
Total Debt
WTS
WTS
ZWS
ZWS
Q4 25
$496.5M
Q3 25
$496.4M
Q2 25
$495.9M
Q1 25
$495.8M
Q4 24
$495.6M
Q3 24
$495.6M
Q2 24
$495.5M
Q1 24
$495.4M
Stockholders' Equity
WTS
WTS
ZWS
ZWS
Q4 25
$2.0B
$1.6B
Q3 25
$2.0B
$1.6B
Q2 25
$1.9B
$1.6B
Q1 25
$1.8B
$1.5B
Q4 24
$1.7B
$1.6B
Q3 24
$1.7B
$1.6B
Q2 24
$1.6B
$1.6B
Q1 24
$1.6B
$1.6B
Total Assets
WTS
WTS
ZWS
ZWS
Q4 25
$2.9B
$2.7B
Q3 25
$2.7B
$2.7B
Q2 25
$2.6B
$2.7B
Q1 25
$2.5B
$2.6B
Q4 24
$2.4B
$2.6B
Q3 24
$2.4B
$2.7B
Q2 24
$2.4B
$2.7B
Q1 24
$2.3B
$2.7B
Debt / Equity
WTS
WTS
ZWS
ZWS
Q4 25
0.31×
Q3 25
0.31×
Q2 25
0.32×
Q1 25
0.32×
Q4 24
0.31×
Q3 24
0.31×
Q2 24
0.31×
Q1 24
0.31×

Cash Flow & Capital Efficiency

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

Metric
WTS
WTS
ZWS
ZWS
Operating Cash FlowLast quarter
$154.7M
$91.7M
Free Cash FlowOCF − Capex
$140.3M
FCF MarginFCF / Revenue
22.4%
Capex IntensityCapex / Revenue
2.3%
Cash ConversionOCF / Net Profit
1.85×
2.18×
TTM Free Cash FlowTrailing 4 quarters
$356.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
WTS
WTS
ZWS
ZWS
Q4 25
$154.7M
$91.7M
Q3 25
$122.4M
$101.3M
Q2 25
$69.7M
$110.6M
Q1 25
$55.2M
$42.9M
Q4 24
$139.5M
$63.6M
Q3 24
$90.7M
$90.9M
Q2 24
$85.3M
$85.1M
Q1 24
$45.6M
$53.9M
Free Cash Flow
WTS
WTS
ZWS
ZWS
Q4 25
$140.3M
Q3 25
$110.9M
Q2 25
$59.5M
Q1 25
$45.6M
Q4 24
$127.5M
Q3 24
$84.3M
Q2 24
$78.5M
Q1 24
$35.5M
FCF Margin
WTS
WTS
ZWS
ZWS
Q4 25
22.4%
Q3 25
18.1%
Q2 25
9.2%
Q1 25
8.2%
Q4 24
23.6%
Q3 24
15.5%
Q2 24
13.1%
Q1 24
6.2%
Capex Intensity
WTS
WTS
ZWS
ZWS
Q4 25
2.3%
Q3 25
1.9%
Q2 25
1.6%
Q1 25
1.7%
Q4 24
2.2%
Q3 24
1.2%
Q2 24
1.1%
Q1 24
1.8%
Cash Conversion
WTS
WTS
ZWS
ZWS
Q4 25
1.85×
2.18×
Q3 25
1.49×
1.64×
Q2 25
0.69×
2.19×
Q1 25
0.75×
0.98×
Q4 24
2.07×
1.75×
Q3 24
1.31×
2.09×
Q2 24
1.04×
1.85×
Q1 24
0.63×
1.57×

Financial Flow Comparison

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

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