Expansion vessel

Product Information

Bosch

Expansion vessel

SKU: 208
Item #: 87154073280
MFR #: 87154073280
Bosch expansion vessel (PN 87154073280) is a factory replacement component for closed-loop hydronic heating and solar primary circuits, designed to accommodate thermal volume changes and stabilize system pressure during normal operation. Installed at the system expansion port, it helps reduce cycling of pressure-relief and pump-control devices and simplifies servicing, making it appropriate for use with Bosch wall‑mounted condensing boilers and solar pump groups. (bosch-homecomfort.com)
Compatible with 6 equipment models
  • KWB28 Bosch Greenstar KWB28 Floor Boiler
  • KWB35 Bosch Greenstar KWB35 Floor Boiler
  • KWB42 Bosch Greenstar KWB42 Floor Boiler
  • ZWB28 Bosch Greenstar ZWB28 Wall Boiler
  • ZWB35 Bosch Greenstar ZWB35 Wall Boiler
  • ZWB42 Bosch Greenstar ZWB42 Wall Boiler
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Coquitlam, BC V3K 4X9
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Please note: Hydrowest Products Ltd. is a wholesale distributor and sells exclusively to licensed contractors and trade professionals.

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Category: Bosch Parts
Brand: Bosch

Fast Shipping

In-stock orders ship within 1 business day to anywhere in Canada.

Code-Compliant

All products meet Canadian HVAC and gas code standards.

Wholesale Pricing

Trade pricing for licensed contractors. 40+ years in the industry.

Bosch expansion vessel (PN 87154073280) is a factory replacement component for closed-loop hydronic heating and solar primary circuits, designed to accommodate thermal volume changes and stabilize system pressure during normal operation. Installed at the system expansion port, it helps reduce cycling of pressure-relief and pump-control devices and simplifies servicing, making it appropriate for use with Bosch wall‑mounted condensing boilers and solar pump groups. (bosch-homecomfort.com)

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Code-Compliant
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Canada-Wide Shipping
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