3/4" NAT GAS MODULATING GasVlv

3/4" LP MODULATING GAS VLV

24V LP MODULATING GAS VALVE

1" 24V 1/2#MAX110-170F MODGSVL

24v 1"150-210F MOD GASVlv NAT

LP GAS VALVE

1" 24V 10.8"wc Mod Gas Valve

120V -> 24V 50Va Transfomer

Flame Sensor

DRAIN VALVE