Seat Located above Drain So Water Cannot be Trapped and Sediment Can Not Foul Seat; Non-Mechanical Seat-To-Disc Alignment will Not Stick or Freeze; Water Seal of High Temperature Resisting Material Isolates Spring Working Parts from Water During Relief; BAA Compliant
Boiler Pressure Relief Valve; Type Spring Loaded, Automatic Reseating, Pressure; Inlet Size 3/4 Inch; Outlet Size 1 Inch; End Connection Female Threaded x Female Threaded; Body Material Iron; Spring Material Stainless Steel; Set Pressure Range 30 to 75 PSI; Temperature Rating 250 Deg F; Pressure Rating 20 PSI; Inclusions/Features Non-Metallic Disc-To-Metal Seating, Test Lever; Application Hot Water Space Heating Boiler; Applicable Standard ASME, NB, HV, MIL-V-18634B; Size 3 Inch Length x 5-5/8 Inch Height; Pressure Steam Discharge Capacity 925000 BTU/Hour
We're building a faster, easier, and more powerful online experience for plumbing professionals.
Our completely redesigned website will launch in October 2026.
Launching October 2026
During Construction
Online ordering is temporarily unavailable.
Online invoice payment is temporarily unavailable.
Customer account access and order history are temporarily unavailable.
Our team is still available to assist with quotes, product availability, and placing orders by phone or email.
Thank you for your patience while we build a better experience for our customers.
ALERT:Your cart has price quote items, Click continue to clear all items in cart and add this product.
Review your cart if you wish to save the current products.
