Laars A2117900 Pump Gasket – OEM Boiler Circulator Seal
🔥 Product Overview
The Laars A2117900 Pump Gasket is a genuine OEM sealing gasket designed to create a tight, leak-free connection between the circulator pump and boiler assembly. This critical sealing component prevents water leaks, protects internal components, and ensures proper system pressure in Laars boilers and hydronic heating systems.
Manufactured to factory specifications, this gasket provides a precise fit and reliable sealing performance—making it the correct replacement whenever a circulator pump is removed or serviced.
✅ Key Features
✔ Genuine OEM Laars pump gasket
✔ Provides leak-free circulator pump sealing
✔ Maintains proper boiler system pressure
✔ Precision-cut for perfect alignment
✔ Durable, heat-resistant gasket material
✔ Essential replacement during pump service
✔ Prevents costly water damage
📊 Specs Table
| Specification | Details |
|---|
| Brand |
Laars |
| Part Number |
A2117900 |
| Type |
Pump Gasket |
| Application |
Circulator pump to boiler seal |
| Material |
High-temperature gasket material |
| Inside Diameter (ID) |
5.36" |
| Outside Diameter (OD) |
5.625" |
| Shape |
Round |
| Application |
Laars boilers & hydronic systems |
⚠ Common Symptoms This Gasket Fixes
• Water leaking around circulator pump
• Loss of boiler pressure
• Drips from pump flange
• Air entering hydronic system
• Corrosion around pump housing
❓ Frequently Asked Questions (FAQ)
Q: When should I replace this gasket?
Anytime the circulator pump is removed or serviced.
Q: Can I reuse my old gasket?
No — reusing gaskets often leads to leaks.
Q: Is this a universal gasket?
No — this is an OEM Laars gasket and must match your boiler model.
Q: Does this gasket require sealant?
Usually no, unless specified by Laars.
🛒 Shopping Tips
🧭 Match your Laars part number before ordering
🔧 Always replace gaskets when servicing pumps
💧 Inspect pump flanges for corrosion
