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The expansion vessel is a small chamber that is used to protect closed heating systems from pressure surges. The pressure vessel is filled with air that acts as a cushion against surges in pressure within the system.
Part No: 1013445 / MPN: 87161006420
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Part No: 1021894 / MPN: 87161134160
Part No: 1016385 / MPN: 87161207930
Part No: 1021895 / MPN: 87161134180
Part No: 1017127 / MPN: 87161215590
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Part No: 1018315 / MPN: 87161425080