Bedford 29-3160 is Graco 24B156 Prime Valve HD's Aftermarket

Graco 24B156 Prime Valve HD — AfterMarket by Bedford Precision Parts

Bedford 29-3160 is a direct aftermarket replacement for the Graco 24B156 Heavy-Duty Prime (Drain) Valve. If you’re sourcing graco paint sprayer parts, this USA-assembled valve restores reliable priming, flushing, and spraying performance on professional Graco rigs. (Replaces earlier Graco 24A381; also shown as 24B-156.) 

This 3-way assembly functions as the system’s prime/drain and fast-flush control—often referenced as a pressure relief valve. It manages flow between prime, spray, and flush positions to protect pumps and maintain consistent pressure for clean fan patterns at the tip. 

• AfterMarket by Bedford Precision Parts of the OEM product — engineered for durability and consistent sealing.
• Direct-fit replacement for Graco 24B156 (supersedes 24A381). 
• Heavy-duty construction for contractor use with airless rigs and paint sprayer guns.
• Assembled in the USA for dependable service. 

Compatible Graco Sprayers

Designed for popular professional models, including:

• Ultra Max II 695, 795, 1095, 1595
• TexSpray Mark IV, Mark V, Mark X
• GMax II 5900 IronMan, GMax II 7900 IronMan, and select TexSpray 5900 HD units

Always confirm your exact model and part number in the owner’s manual. Compatibility references: Ultra Max II 695/795/1095/1595 and GMax/TexSpray lines; Bedford listing for Mark IV/V/X. 

Where it’s used

The prime/drain valve mounts on the sprayer’s fluid manifold. Use PRIME for charging the pump and expelling air, FAST FLUSH for cleaning after materials, and SPRAY for normal operation. Proper valve function helps reduce wear on packings and pump components across your graco airless sprayer parts system. 

Cross-reference: Bedford 29-3160 ⇄ Graco 24B156 (24B-156) / supersedes 24A381. 

Shop more professional-grade replacements at eRepairCenter — your distributor for speeflo parts, wagner paint sprayer parts, and binks sprayer repair parts alongside a full selection of graco airless sprayer parts and other contractor essentials.