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BASO Gas Products H91LG-12C REVB Automatic Gas Shutoff Valve 430,000 BTU 3/4" NPT 24V

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2  Reviews Add Your Review
Special Price $290.28 Regular Price $322.21
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SKU
H91LG-12C REVB
The BASO Gas Products H91LG-12C REVB is an Automatic Gas Shutoff Valve used in controlling the flow of gas in different HVAC systems. It has a connection size of 3/4” NPT and BTU of 430,000 BTU/hr and is powered by a 24V electrical system. This valve responds to signals from thermostats or other control parts and is suitable for use in heaters, water heaters, boilers and commercial cooking appliances. Some of the advantages include safety since there is no leakage of the gas, and the ability to work under different pressures up to 0.5 psi, and flexibility in that it can be used with natural gas and LP gas.
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HVAC Controls & Electrical, Valves
Manufacturer:
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Specifications

  • Type: Automatic Gas Shutoff Valve
  • Connection Size: 3/4" NPT
  • BTU Capacity: 430,000 BTU/hr
  • Voltage: 24V
Manufacturer Name: BASO Gas Products
Product Number: H91LG-12C REVB
OEM Part Number: H91LG-12C REVB
Product Description: 3/4" 24V 430,000Btu Gas Valve
Weight:1.77lbs/802.86g

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Product Questions (2)
Customer Questions
What maintenance is required for the BASO H91LG-12C REVB Automatic Gas Shutoff Valve?

Regularly inspect the valve for gas leaks, corrosion, and secure electrical connections to ensure accurate operation. Clean external surfaces to prevent dust buildup that could affect performance. Periodically test the shutoff function under safe conditions to confirm responsiveness. Proper ensures safety, consistent gas control, and reduces risk of unexpected system failure.

What are common issues with the BASO H91LG-12C REVB Automatic Gas Shutoff Valve?

  • Valve may fail to open or close due to coil or solenoid malfunction.
  • Electrical connection issues can cause intermittent operation.
  • Gas flow restriction from internal debris buildup.
  • Leakage from worn seals or improper seating.
  • Erratic shutoff response during system demand fluctuations.

Installation Steps

Step 1: Turn off gas supply and electrical power; confirm no gas presence with detector.

Step 2: Remove existing old valve and clean threads.

Step 3: Apply pipe sealant and install new valve in correct flow direction arrow.

Step 4: Secure wiring to control circuit per diagram.

Step 5: Restore gas slowly, check for leaks using soap solution.

Step 6: Test automatic shutoff operation and burner ignition.