SIT Valve
Gas pressure requirements
Input Pressure
Natural Gas Propane
Minimum
5.0” WC
12.5” WC
Maximum
13.9” WC
13.9” WC
Manifold Pressure
High
3.5” WC
10” WC
Low
1.7” WC
6.4” WC
Gas Pressure Check / Output / Efficiency
Please refer to following page for gas pressure testing procedure.
Maxitrol Valve
Gas pressure requirements
Input Pressure
Natural Gas Propane
Minimum
5.0” WC
12.5” WC
Maximum
13.9” WC
13.9” WC
Manifold Pressure
High
3.5” WC
10” WC
Low
1.7” WC
2.7” WC
Tofino i40 (SIT Version)
Gas
Orifice
Output
NG
Front AC
40,000 btu/hr (Max) / 12,000 btu/hr (Min)
NG
Rear BC
LP
Front CC
35,000 btu/hr (Max) / 13,500 btu/hr (Min)
LP
Rear DC
Tofino i40 (Maxitrol Version)
Gas
Orifice
Output
NG
Front AC
40,000 btu/hr (Max) / 20,000 btu/hr (Min)
NG
Rear BC
LP
Front CC
35,000 btu/hr (Max) / 17,500 btu/hr (Min)
LP
Rear DC
22
051119-48 100000300
i40 TOFINO