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GAS-FIRED BOILER Boiler Manual
Figure 2-1
T50M/T80M
DIMENSIONS
PERFORMANCE RATINGS
Input Modulation DOE Heating AFUE
Shipping
Weight
*IBR
18,000 to 50,000 16,000 to 46,000 92% 58 lbs. 40,000
19,000 to 80,000 17,000 to 74,000 92% 58 lbs. 64,000
27,000 to 80,000 25,000 to 74,000 92% 75 lbs. 64,000
46,000 to 140,000 43,000 to 129,000 92% 101 lbs. 112,000
66,000 to 199,000 61,000 to 183,000 92% 111 lbs. 159,000
100,000 to 399,000 93,000 to 279,000 92% 252 lbs. N/A
Model
T50M
T80M
80M
140M
199M
399M
CONNECTION SIZES
Supply/
Return
Connection
Gas
Connection
Size
Vent
Dia.
1 1/4" NPT 3/4" 2"
1 1/4" NPT 3/4" 2"
1 1/4" NPT 3/4" 3"
1 1/4" NPT 3/4" 3"
1 1/4" NPT 3/4" 3"
2" NPT 1-1/4" 4"
FAN SPEEDS
High Low
3000 1250
4250 1200
3700 1600
3550 1400
4800 1550
5700 1675