Kunkle 537-H01-HM - 2" x 2.5"
Bronze and cast iron safety valves that meet ASME section IV (HV) for low pressure hot water boilers and are National Board certified
Dual purpose, can relieve water/steam overpressure created by either thermal expansion or over-firing.
*In-stock Kunkle valves typically ship within 3 business days. Some series or quantities may require additional lead time.
We strive to fulfill every valve order in a timely matter, but in the rare case that the product you ordered is out of stock or delayed, we will notify you directly.
If you need rush shipping or have questions about product availability, please call us at (314) 665-1741.