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Siemens Combustion Controls

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Combustion control gas valves, control motors, flame safeguards, electronic burner management systems, temperature and leak test controls approved for use world wide. Siemens combustion products feature modular construction for single source simplicity. Component compatibility assures low installation and operating costs plus dependable, safe operation. Rigorous quality testing optimizes reliability and process performance.

LFL Flame Safeguards

Siemens LFL Flame Safeguards

LFL Flame Safeguards

LFL Data Sheet

SCC LFL and LAL burner controls provide burner sequencing and flame monitoring for the supervision of individual gas, oil, or dual fueled burners. With an incomparable record for safety and reliability, the economical LFL continues to be one of the most popular, globally approved flame safeguard controls.

LFL Flame Safeguard

LFL, 110V        Note:  LFL controls operate with QRA sensors or flame (ionization) rods only

LFL1.133-110V        Gas/Oil burner flame safeguard, 110 V 50/60 Hz
LFL1.322-110V        Gas/Oil burner flame safeguard, 110 V 50/60 Hz
LFL1.333-110V        Gas/Oil burner flame safeguard, 110 V 50/60 Hz
LFL1.335-110V        Gas/Oil burner flame safeguard, 110 V 50/60 Hz
LFL1.635-110V        Gas/Oil burner flame safeguard, 110 V 50/60 Hz

LFL, 220V

LFL1.122        Gas/Oil burner flame safeguard, 220 V 50/60 Hz
LFL1.322        Gas/Oil burner flame safeguard, 220 V 50/60 Hz
LFL1.335        Gas/Oil burner flame safeguard, 220 V 50/60 Hz
LFL1.635        Gas/Oil burner flame safeguard, 220 V 50/60 Hz

LAL, 110V

LAL2.25-110V        Oil burner flame safeguard, 110 V 50/60 Hz

LAL, 220V        Note:  LAL controls operate with RAR sensors only

LAL2.25        Oil burner flame safeguard, 220 V 50/60 Hz
LAL2.65        Oil burner flame safeguard, 220 V 50/60 Hz

Wiring Bases

AGM410490550        Mounting/Wiring base for LFL… controls
AGM410490500        Mounting/Wiring base for LAL… controls

LFL UV Sensors

QRA4.U        UV detector, 3/4″ NPT forward viewing application
7 4284 0010 0         3/4″ threaded thermal barrier for QRA4.U.  Rated for up to 250 deg F

QRA2(1)        UV detector, side viewing application with mounting flange and clip
QRA2M(1)        High sensitivity UV detector with mounting flange and clip
QRA10M.C        High sensitivity UV detector with alum. housing, 1″ threaded mount
AGG02        Heat insulating quartz lens for QRA10…

Repalcement UV bulbs

AGR450211310        Replacement UV bulb for QRA2/10, normal sensitivity
AGR450240650        Replacement UV bulb for QRA210, QRA2M,/10M/51M/53/55/63/65, high sensitivity

LAL Photocell Sensors

RAR9(1)        Selenium photo cell detector with mounting flange and clip (replaces RAR7/8)

LDU11 Valve Leak Test

LDU11.323A17        Gas valve leak test control, 110V 50/60 Hz.
LDU11.323A27        Gas valve leak test control, 220V 50/60 Hz.
LDU11.523A17        Gas valve leak test control, 110V 50/60 Hz.
LDU11.523A27        Gas valve leak test control, 220V 50/60 Hz.
AGM11        Mounting/Wiring base for LDU… controls