Moore-MacMichael Grainger Dedicated Seller Resources
Home › Brands › Comstar
Maintenance

Comstar

by Comstar International, Inc.

Comstar supplies hvac coil cleaners, drain line treatments. Recommend for hvac contractors, plumbing contractors customers.

122 active Grainger SKUs · data through August 2026
TAA ✓ compliant line

Top SKUs to push

The Grainger numbers worth knowing before the call — ranked by sales over the 12 months through August 2026.
1
Grainger #896EN2
Heat Transfer Fluid, Neutral, Green, Drum
Stock # 01-171
View on Grainger →
2
Grainger #857FK0
Refrigerants
Stock # 80-160
View on Grainger →
3
Grainger #896EN1
Heat Transfer Fluid, Neutral, Green, Pail
Stock # 01-170
View on Grainger →
4
Grainger #896EN4
Antifreeze, Clear, Drum
Stock # 35-708
View on Grainger →
5
Grainger #896EP0
Antifreeze, Red, Drum
Stock # 35-710
View on Grainger →
Ranked by the last 12 months of Grainger sales.

What to recommend

If the customer needs this, lead with that.
Customer is HVAC Contractors→Lead with Comstar HVAC Coil Cleaners
Customer is Plumbing Contractors→Lead with Comstar Drain Line Treatments
Customer is Fire Protection→Lead with Comstar Boiler Water Treatments
Starter guidance from product and industry data — your MooreMac rep can go deeper.

Part numbers & cross-references

Competitor part → our equivalent → Grainger number.
Mfr / stock #Grainger #Description
40377stock 40-377411PZ7Furnace Refractory and Retort Solution
40375stock 40-375411PZ8Furnace Refractory and Retort Solution
40370stock 40-370411PZ9Furnace Refractory and Retort Solution
40365stock 40-365411RA0Furnace Refractory and Retort Solution
40360stock 40-360411RA1Furnace Refractory and Retort Solution
40355stock 40-355411RA2Furnace Refractory and Retort Solution
35820stock 35-820411RA3Propylene Glycol
35771stock 35-771411RA4Propylene Glycol
35770stock 35-770411RA5Propylene Glycol
35821stock 35-821411RA6Propylene Glycol
Showing 10 of 165 catalogued part numbers — the brand’s own manufacturer / stock numbers mapped to their Grainger SKUs.
View the full cross-reference sheet (165 items) →
Looking for a specific number? The Part Number Lookup searches every catalogued part number, all brands at once.

Talking points

When the customer pushes back.
  • Already stocked at Grainger — 122 active SKUs, so most orders ship without a special-order step.
  • Proven with Government buyers — the segment that pulls the most Comstar volume through Grainger today.
  • One supplier relationship (Comstar International, Inc.) behind the line — your MooreMac rep can pull samples, cross-refs, and quotes fast.