Part Number
Fuel Flow GPM/LPM
Mounting Hardware
Check Valve
Shut-Off Thermostat
Duel Fuel Inlet
Electric Preheat
Fuel Port
Coolant Port
I-702
.1-.5 / .4-1.9
NO
3/8” NPT
I-702B
YES
I-703
.1-1.5 / .4-5.7
1/2” NPT
I-703B
I-703BT
78°-95°F 25°-35°C
I-703BTEH
120 VAC
I-704B
I-704BT
I-704BTEH
12 VAC
I-705B
I-705BT
I-706B
I-706BT