Imperial 1291 Cheesemelter Pilot Assembly Natural Gas

SKU: 1291 1-1291 Brand:
Imperial
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Specifications:

  • Nat/Lp Pilot, Factory #5Sl2, Tube Size 3/16"/1/4" Cct,
  • Flame Pattern Left
  • Picture Wrong On Pages 31, 475, And 645 Of 2010-2011 Hot
  • Side Catalog. Pilot Does Not Include Electrode And Wire,
  • But Otherwise Looks The Same.
  • If Electrode & Wire Is Needed, Order Pilot Assy
  • # 51-1214
  • Dynamic Cooking Systems
  • Broiler Cheesemelter, Salamander.
  • Imperial
  • Broiler Series: Icma Cheesemelter, Isb Salamander.
  • Oven Series: Ihr (Range W/Standard Oven).

Description

The Imperial 1291 Pilot Assembly is a natural gas-controlled and maintained pilot assembly for cheesemelter systems. It operates by, providing a continuous supply of natural gas in the pilot tubing and burner tip to provide a continuous flame for heating. The assembly is placed in the commercial systems in the burner section, where the ignition and flame monitoring are performed. Fittings and pilot elements are included in the component, to ensure compatibility with gas-fired cooking appliances in restaurant kitchens and food preparation areas.

Dimensions:

  • Weight: 0.2 lbs
  • Length: 1.25 in
  • Height: 2 in
  • Width: 0.75 in

A small pilot ignition component used in commercial gas cooking equipment to help create and maintain the pilot flame that starts the main burner. It is built for use with natural gas and LP systems and connects through a 3/16" / 1/4" tube fitting. The left-facing flame design helps position the flame correctly inside the burner area for proper ignition support during operation. It plays an important role in keeping the pilot flame active so the burner can light smoothly during cooking cycles. When the pilot assembly becomes worn or blocked, equipment may fail to ignite or may show unstable flame behavior. Replacing it helps restore normal pilot operation and supports steady burner startup in daily kitchen use.

Equipment Compatibility:
This Imperial pilot assembly is used in commercial cheesemelters, broilers, salamanders, and oven equipment used in professional kitchens. This Cheesemelter Pilot Assembly 1291 is compatible with equipment from Imperial, American Range, and Dynamic Cooking Systems, and more, where stable pilot flame ignition is required for safe operation.

Brand Compatibility:
Replaces multiple part numbers used across various commercial kitchen equipment brands, including Imperial, American Range, and Dynamic Cooking Systems. Complete cross-reference details are listed in the “Replaces Parts” section.

Product Specifications:
Manufacturer: Imperial
SKU: 1291
Product Type: Pilot Assembly
Gas Type: Natural Gas / LP
Factory Number: 5SL2
Tube Size: 3/16" / 1/4"
Flame Pattern: Left
Application: Commercial gas cooking systems

Key Features:
Supports pilot flame ignition in commercial gas cooking equipment. Designed for use with natural gas and LP systems. 3/16" / 1/4" tube connection for standard pilot setup. Left flame direction helps correct flame positioning. Helps maintain a steady pilot flame during operation. Used in cheesemelters, broilers, salamanders, and ovens. Replacement may help fix weak or failed ignition issues. Suitable for everyday commercial kitchen operation.

Technician Feedback:
“Pilot ignition became more consistent and startup issues were reduced after installation.”

AMERICAN RANGE:

A11112 A11124

DYNAMIC COOKING SYSTEMS:

13001-3 13001-4

IMPERIAL:

1120-1 1145 1146

Step1: Turn off the natural gas supply and electrical power and let the cheesemelter cool completely before servicing ensure proper ventilation.

Step2: Remove front panel and access existing pilot assembly, noting gas line for reference.

Step3: Disconnect old pilot assembly carefully checking for gas leaks or residue keep hardware organized for reinstallation.

Step4: Install new Imperial 1291 assembly secure fittings and reconnect gas line tightly without over-torquing connections.

Step5: Restore gas supply test ignition and check for leaks using approved solution adjust flame if needed.

  • What maintenance is required for the Imperial 1291 Pilot Assembly?

    Regularly inspect and clean the pilot orifice to prevent carbon buildup and ensure consistent ignition. Check gas connections for leaks and proper pressure. Perform routine inspections to maintain safe, efficient burner operation and reduce ignition failures.

  • What are common issues with the Imperial 1291 Pilot Assembly?

    • Clogged pilot orifice causing weak or no flame.
    • Inconsistent ignition due to gas pressure fluctuations.
    • Faulty thermocouple leading to shutdowns.
    • Gas valve malfunction causing intermittent operation.
    • Pilot outage from debris buildup or moisture ingress.

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