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1/2", 100%, H43 Series BASO? Automatic Pilot Valve with Manual Shutoff

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Manufacturer: Baso Gas Products
Description: 1/2"AUTO.PILT VLV 100% SHUTOFF
Category: Gas Controls
Sub Category: Pilot Valves

H43 Series BASO® Automatic Pilot Valve with Manual Shutoff

The H43 Series BASO valve is a combination A valve,
B valve, and automatic pilot valve. A manual valve
handle with On, Off, and Pilot positions allows
operation of the valve without a thermostat.
Applications include room heaters, wall furnaces, and
commercial cooking.

Features and Benefits
�� Compact 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

The H43 valve is designed to provide safe lighting
and complete shutoff of pilot and main burner gas.
An interlock between the manual valve handle and
the reset button allows gas flow only to the pilot
during pilot lighting. The control shuts off both main
and pilot gas if the pilot flame is extinguished. The
manual valve controls both main and pilot gas.
H43 valves are suitable for use with natural gas,
Liquefied Petroleum (LP) gas, and LP gas-air
mixtures at pressures up to 35 mbar (0.5 psi).
Models H43_A with a standard power unit are
suitable for operation over a temperature range of
0 to 80ºC (32 to 175ºF). Models H43_B with a high
temperature power unit are suitable for operation
over a temperature range of 0 to 120ºC
(32 to 250ºF).

The H43 valve contains a plug valve with multiple
drillings, which allows it to serve as both the main
burner valve and pilot valve. The valve handle
indicates the operating position. Safe lighting is
accomplished by a positive interlock between the
valve handle and reset button, which allows for
resetting the valve to the pilot position only. The
handle incorporates a lock button to prevent
accidentally turning off the valve. The lock button
must be lifted to permit turning the plug valve to the
Off position. The main burner may be throttled
between the On and Pilot position through the use of
the handle.

In the event of pilot flame outage, gas is shut off
both to the main burner and pilot burner. The handle
must be turned to the Pilot position to reset the valve
and light the pilot burner. The pilot outlet is located
on the right-hand side of the valve casting, when
looking into the inlet of the control with the reset
button up. The pilot connection is 1/4 cc. It flows
toward the inlet of the control and is regulated with a
pilot adjustment screw. The pilot connection is also
available with the flow toward the outlet of the

H43 valves may be mounted in any convenient
position with the reset button and manual valve
handle accessible.

Replaces Part Numbers: H43GA-3, CARH43GA-3

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