Description of Business	12 Months Ended
Dec. 31, 2020
Description of Business
Description of Business	(1) Description of Business Watts Water Technologies, Inc. (the Company) is a leading supplier of products, solutions and systems that manage and conserve the flow of fluids and energy into, through and out of buildings in the commercial and residential markets of the Americas, Europe, and Asia-Pacific, Middle East, and Africa (APMEA). For over 140 years, the Company has designed and produced valve systems that safeguard and regulate water systems, energy efficient heating and hydronic systems, drainage systems and water filtration technology that helps purify and conserve water. COVID-19 In March 2020, the World Health Organization categorized COVID-19 as a pandemic, and the President of the United States declared the COVID-19 outbreak a national emergency. The unprecedented and widespread impact of COVID-19 continues to affect the countries and markets in which the Company operates, and new and evolving government actions to address the COVID-19 pandemic continue to occur on a regular basis. For the year ended December 31, 2020, temporary closures, lockdowns and other restrictions mandated by various governmental authorities intended to combat the COVID-19 pandemic negatively impacted the Company’s revenue at varying levels within each of the Company’s business segments. The Company’s operating response, cost management and capital preservation actions are discussed within Item. 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations”. Capital markets and economies worldwide continue to be negatively impacted by the protective measures taken by governments in response to the COVID-19 pandemic, and these measures resulted in a global economic recession. Such economic disruption may have a material adverse effect on the Company’s business if customers continue to curtail and reduce overall spending, which may not return to pre-pandemic levels. Policymakers around the globe have responded with fiscal policy actions to bolster their local economies. The magnitude and overall effectiveness of these actions remain uncertain. The severity of the impact of the COVID-19 pandemic on the Company's future business will depend on a number of factors, including, but not limited to, the duration and severity of the pandemic and the extent and severity of the impact on the Company's customers, operations, distributors and suppliers, all of which are uncertain and cannot be predicted. The Company's future results of operations and liquidity could be adversely impacted by delays in payments of outstanding receivable amounts beyond normal payment terms, supply chain disruptions and uncertain demand, and the impact of any initiatives or programs that the Company may undertake to address financial and operational challenges faced by its customers. However, the Company does not anticipate any adverse impacts on its ability to pay its debt obligations as they become due. As of the date of issuance of these consolidated financial statements, the extent to which the COVID-19 pandemic may materially impact the Company's financial condition, liquidity, or results of operations is uncertain. Due to the risks and uncertainties resulting from the COVID-19 pandemic, the full extent of the impact on the Company’s business remains difficult to predict as the pandemic and response to the pandemic continue to evolve. The Company intends to continue to assess the evolving impact of the COVID-19 pandemic and expects to continue to make adjustments to its responses to address the situation as it develops.

Description of Business

12 Months Ended

Dec. 31, 2020

(1) Description of Business

Watts Water Technologies, Inc. (the Company) is a leading supplier of products, solutions and systems that manage and conserve the flow of fluids and energy into, through and out of buildings in the commercial and residential markets of the Americas, Europe, and Asia-Pacific, Middle East, and Africa (APMEA). For over 140 years, the Company has designed and produced valve systems that safeguard and regulate water systems, energy efficient heating and hydronic systems, drainage systems and water filtration technology that helps purify and conserve water.

COVID-19

In March 2020, the World Health Organization categorized COVID-19 as a pandemic, and the President of the United States declared the COVID-19 outbreak a national emergency. The unprecedented and widespread impact of COVID-19 continues to affect the countries and markets in which the Company operates, and new and evolving government actions to address the COVID-19 pandemic continue to occur on a regular basis. For the year ended December 31, 2020, temporary closures, lockdowns and other restrictions mandated by various governmental authorities intended to combat the COVID-19 pandemic negatively impacted the Company’s revenue at varying levels within each of the Company’s business segments. The Company’s operating response, cost management and capital preservation actions are discussed within Item. 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations”.

Capital markets and economies worldwide continue to be negatively impacted by the protective measures taken by governments in response to the COVID-19 pandemic, and these measures resulted in a global economic recession. Such economic disruption may have a material adverse effect on the Company’s business if customers continue to curtail and reduce overall spending, which may not return to pre-pandemic levels. Policymakers around the globe have responded with fiscal policy actions to bolster their local economies. The magnitude and overall effectiveness of these actions remain uncertain. The severity of the impact of the COVID-19 pandemic on the Company's future business will depend on a number of factors, including, but not limited to, the duration and severity of the pandemic and the extent and severity of the impact on the Company's customers, operations, distributors and suppliers, all of which are uncertain and cannot be predicted. The Company's future results of operations and liquidity could be adversely impacted by delays in payments of outstanding receivable amounts beyond normal payment terms, supply chain disruptions and uncertain demand, and the impact of any initiatives or programs that the Company may undertake to address financial and operational challenges faced by its customers. However, the Company does not anticipate any adverse impacts on its ability to pay its debt obligations as they become due. As of the date of issuance of these consolidated financial statements, the extent to which the COVID-19 pandemic may materially impact the Company's financial condition, liquidity, or results of operations is uncertain.

Due to the risks and uncertainties resulting from the COVID-19 pandemic, the full extent of the impact on the Company’s business remains difficult to predict as the pandemic and response to the pandemic continue to evolve. The Company intends to continue to assess the evolving impact of the COVID-19 pandemic and expects to continue to make adjustments to its responses to address the situation as it develops.