Pentair Flameholder Kit - Model 400 | MasterTemp | 77707-0204
- In stock, ready to ship
- SKU:
- 77707-0204
-
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About This Item
The Pentair Flameholder Kit (77707-0204) is the OEM replacement flameholder assembly for the MasterTemp 400 gas heater burner system, covering both natural gas (400NA) and liquid propane (400LP) configurations.
⚠️ IMPORTANT: KIT LISTING — MULTIPLE COMPONENTS INCLUDED
This listing is a kit, not a single component. It includes Item Nos. 10, 11, 12, 13, and the Flameholder Insert as a complete assembly. Verify all included items against your equipment's exploded diagram before ordering.
⚠️ IMPORTANT: GAS HEATER COMPONENT — PROFESSIONAL SERVICE REQUIRED
Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high-voltage components without proper certification.
The flameholder assembly sits within the burner tray of the MasterTemp 400 heater and provides the structural and thermal foundation for stable combustion. When the flameholder becomes damaged, warped, or corroded, combustion efficiency is compromised — resulting in ignition failures, uneven flame distribution, or heater lockout conditions. Replacing the complete kit restores the burner system to OEM specification.
Specifications
| Pentair Part Number | 77707-0204 |
| Part Name | Flameholder Kit — Model 400 |
| Kit Contents | Item Nos. 10, 11, 12, 13 & Flameholder Insert |
| Quantity Included | 1 Kit (multiple components — see Kit Contents above) |
Fits Into
| Brand | Equipment Line | Model / Part Number | Notes |
| Pentair | MasterTemp | 400NA | Flameholder Kit for 400 Model (includes items 10, 11, 12, 13 & Flameholder Insert) |
| Pentair | MasterTemp | 400LP | Flameholder Kit for 400 Model (includes items 10, 11, 12, 13 & Flameholder Insert) |
Compatibility is based on Pentair parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering.
Pro Tip
Before ordering, cross-reference the part number stamped on your existing flameholder assembly against 77707-0204. The MasterTemp 400 series was produced in both natural gas (400NA) and propane (400LP) variants — this kit serves both, but confirm your model designation on the heater's rating label before purchasing. When replacing the flameholder, inspect the burner tray and adjacent components for heat damage or corrosion at the same time; addressing secondary wear during the same service call avoids a repeat disassembly.
