H43 Series Automatic Shut-Off Pilot Safety Gas Valve with Manual Shut-off

H43 Series automatic pilot safety shut-off gas valves provide safe lighting and complete shut-off of pilot and main burner gas if the flame heating the thermocouple is extinguished. The manual valve handle contains pilot and on/off positions allowing operation of this gas valve without the use of a thermostat.

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  • Compact Design – permits installation in dimensionally restricted applications
  • Safe Lighting – interlock allows gas flow only to the pilot at the time of lighting
  • Shutoff Lock – requires pull button to be lifted and turned to Off position, preventing inadvertent shutoff of the pilot
  • Rated inlet pressure: 0.5 psi
  • Operable gas types: Natural Gas, Liquefied Petroleum (LP), LP gas-air mixtures
  • Permissible ambient (surface) temperature:
    • H43_A models: 32° to 175°F (0° to 79°C)
    • H43_B models:  32° to 250°F (0° to 121°C)
Agency Listing
  • CSA
  • UL – (models H43AA, -BA only)

Download H43 Series Product Bulletin
Download H43 Series Installation Instructions



Only licensed service professionals of the original equipment manufacturer or trained licensed contractors are approved to install or service BASO Gas Products. BASO Gas Products shall not be liable for damages resulting from misapplication or misuse of its products.

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