Quality Instruments, Spare Parts, Service & Support from your Diluting Sampler Specialists at ASI.

Experience and Expertise from Hundreds of Reconditioned and Repaired CEMS Dilution Probes.

Fast and Consistent Turnaround Times for your Serviced Equipment. BMP: Basic Monitoring Probe.


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Sample Diluting Instruments
    In-Situ Dilution Probes
    Diluting Modules
    OEM Diluters

Critical Orifices
Pyrex® Glass Critical Orifices
    Monel® Critical Orifices
    Quartz Critical Orifices
    OEM Production

Dilution Instrument Services
    In-Situ Dilution Probe Services
    Out-Of-Stack Probe Services
    Critical Orifice Services

In-Situ Dilution Probe Heaters
Complete Heater Assemblies
Stack-Tester Version
C22 Alloy & Halar Series

Extension Pipe Assemblies
    In-situ Probe Extensions
    Custom Weldments

Spare Parts and Consumables
    In-Situ Dilution Probe Parts
    OOS Diluting Sampler Parts
    Obsolete Probe Heater Parts
    Custom Manufactured Parts

For the EPM In-situ Probe Heaters, we offer various replacement parts, and also rebuild & repair services.

Whether your using the discontinued EPM model 797.502/.502E, or the obsolete model 797.560/.561 series in-situ dilution probe heaters, we carry many of the critical components needed to keep these instruments operational. From gaskets to replacement coils
... we can help.

For more information, pricing and lead-time on consumables, replacement parts or rebuilds, please Contact Us.

- Spare Parts EPM Probe Heaters -

O-Ring -- P/N GS-K118:
Material Kalrez® | Max. Temp. 575°F (300°C)
Description: For use with the heated in-situ diluting sample probes (located at probe tip for front seal). For the Kalrez® O-ring used in the Out-of-Stack diluting sample probe, use P/N: GS-K116.

Nickel Anti-Seize Compound -- P/N GRS-NAS-01C:
Temperature Rating Up to 2400°F (1315°C) | Qty. 1/2 OZ.
Description: For use as lubricant that protects threaded parts from seizing and galling. Recommended for all of the threaded parts of your probe heater.

Gasket, Heater Coil Transition -- P/N 5200.010 (cross-ref EPM P/N 2135.215):
Material Garlock® 3200
Description: Located on the heater coil at transition to the inner flange assembly of the EPM model 797.560 series in-situ dilution probe heater.

Gasket, Packing Ring -- P/N 5200.012 (cross-ref EPM P/N 2135.201):
Material Garlock® 3200
Description: Located at the in-situ dilution probe's support flange, provides rear seal between the probe and EPM model 797.560 series in-situ probe heater.

Gasket, Packing Ring -- P/N 5200.012S:
Material Orange Silicone
Description: Same gasket as noted above, but produced from orange silicone rubber for special applications.

Gasket, Mounting Flange -- P/N 5200.014 (cross-ref EPM P/N 0041.122):
Material Garlock® 3200
Description: Located between heater mounting flange and extension ring of the EPM model 797.561 probe heater.

Gasket, Inner Flange -- P/N 5200.015 (cross-ref EPM P/N 2135.210):
Material Garlock® 3200
Description: Located between inner flange assembly and outer heater housing of the EPM model 797.560 series in-situ dilution probe heater.

Replacement Heater Coil -- P/N 5100.252:
Description: 115VAC, 400W, 4M armored cable, coil with integral K-type T/C. For use with ASI Model DP-060-A Series Heater Assembly, or EPM Model 797.560 Series Heater Assembly.

For Replacement parts specific to the In-situ Diluting Sampler, Click Here.

For Replacement parts specific to the EPM Out-of-Stack Diluting Sampler, Click Here.

Can't find the part your looking for? Contact Us.

Things to consider when upgrading from your older EPM heaters.

Alpha Suite Inc.  2017