Graco is an industry-leading manufacturer and supplier of spray guns and accessories used in the application of foam polyurea and coatings. After purchasing Glascraft, the Probler P1 and newer Probler P2 guns changed their brand under the Graco umbrella. Their spray foam equipment is of the highest quality and known for its ability to reduce material waste and to simplify routine maintenance. These air purge guns are sold worldwide and highly respected by users everywhere. Shop all Graco/Glascraft Probler P1 and Probler P2 parts and supplies below.
The popular, patented dual-piston Glascraft Probler P2, the lightest spray gun in the industry, is a number one choice for dispensing polyurethane foam, adhesives, polyurea and elastomeric coatings. Although built strong and durable, the Probler P2, like any mechanical device, requires periodic maintenance and repair as well as replacement parts when needed.
Key
The diagram below will help you identify the three inlet ports on the Probler P2 gun. The large left dual port offers your ISO and AIR intake; the right port is your RES inlet.
| Specifications for Probler P2 | US | Metric |
|---|---|---|
| Maximum Static Fluid Pressure | 3500 psi | 24.1 MPa, 241 bar |
| Air Inlet Pressure Range | 90-110 psi | 0.62-0.76 MPa, 6.2-7.6 bar |
| Air Inlet Size | 1/4-18 NPSM | |
| Inlet Size A | 5 JIC, 1/2-20 UNF | |
| Inlet Size B | 6 JIC, 7/16-18 UNF |
| Part | Detail | |
|---|---|---|
| 100846 | FITTING, zerk, st | |
| GC1898 | PISTON, air,1-3/8 | |
| GC1899 | PISTON,air,1-1/2 | |
| GC1900 | SPACER, cylinder | |
| GC250A | MODULE, mix chamber, model GCP2RA |
The P1 Probler model is the original air purge spray gun that led the industry for years. An unmatched technological advancement, the P1 is the industry benchmark for air purge guns today. Although the P1 model is discontinued to the market, we offer a wide selection of replacement Glascraft P1 parts for repair.
Features of P1 Model:
The Probler P2 Gun boasts an aerodynamic, lightweight design that allows for easy spray foam application. An upgraded edition to the Probler P1, the P2 enhances the mechanics of the P1�s design to provide an air purge spray gun that requires less maintenance and better usability.
Features of P2 Model:
The Probler P2 enhances the P2 designs even further with its versatile design that beautifully integrates the capabilities of a P2 spray gun with those of advanced coating equipment. With this P2 Elite model, spray foam application and coating are seamlessly completed with one simple device.
Ensure you�re selecting the right parts for your Probler P1, P2 or P2 Elite spray foam gun by checking product specifications. All parts that are sold at SPF Depot are made to be perfectly compatible with Graco products as well as set to the same standard of quality and reliability. Questions? Feel free to contact us for more information.

