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DETAIL 4 - GAS VALVE
BTH 300A BTH 400A
Item Description 970/971 970/971
1 Elbow, 3/4" Female - 3/4" Female........................................................... 194873 ................. 194873
2 Elbow, 3/4" Male - 1" Female ................................................................. 194872 ................. 194872
3 Hose, Flexible ......................................................................................... 194912 ................. 194912
4 Nipple, 3/4" - Pipe x 2" ........................................................................... 194921-3 ..............194921-3
5 Nipple, 3/4" - Pipe x 4" ........................................................................... 194921-2 ..............194921-2
6 Nipple, 3/4" - Pipe x close ..................................................................... 194921-1 ..............194921-1
7 Pump, Recirculation ................................................................................ 194799 ................. 194799
8 Tee, Non-Reducing .................................................................................. 194870 ................. 194870
9 Tube, Closed End Dip ............................................................................. 194924 ................. 194924
10 Tube, Inlet ............................................................................................... 194820 ................. 194820
11 Vent, Automatic Air ................................................................................ 194830 ................. 194830
Standard hardware items may be purchased locally.
RECIRCULATING SYSTEM
BTH 300A BTH 400A
Item Description 970/971 970/971
1 Nipple, 3/4" - Pipe ...................................... 85040-18 ........ 85040-18
2 Nipple, 1/8" - Pipe ...................................... 192948-2 ........ 192948-2
3 Pipe, Union ................................................... 95515 ............ 95515
4 Switch, Low Gas Pressure ......................... 191149-6 ........ 191149-6
LP Gas .................................................... 191149-4 ....... 191149-4
5 Tee, Non-Reducing ........................................ 40119 ............ 40119
6 Valve, NAT Gas ......................................... 194536-5 ........ 194536-5
Valve, LP Gas ............................................ 194536-6 ........ 194536-6
7 Orifice, NAT ............................................... 192477-7 ......... 192477
Orifice, LP .................................................. 192477-8 ........ 192477-9
8 Orifice holder ................................................ 192447 .......... 192447
Standard hardware items may be purchased locally.