Insulation, Return Side Tube Sheet – FD - FDXLGSK1933
Conversion Kit, H150FD-H400FD High-Altitude, 2,000-10,100 ft. - FDXLHAK1930
Tie-Down Kit – FD - FDXLTDK1930
ASME Union Flange Kit (includes Flange Fittings, Bolts, Gaskets) - FDXLUNK1930A
Vent Pressure Switch, Indoor, 0–2,000 ft. - FDXLVPS1930
Vent Pressure Switch, Indoor, 2,000–10,100 ft. - FDXLVPS1931
Voltage Selector Jumpers - FDXLVSJ1930
Wiring Harness Kit Complete – FD - FDXLWHA0001
Wiring Harness Kit Complete – FD - FDXLWHA1930
Terminal Block – Remote Connection - IDXLTMB1931
Water Flow Switch and Temp/ Press Gauge Kit - UHXTFP1930
Water Flow Switch Kit - UHXFSW1930
Pressure Relief Valve - CHXRLV1930
Control Bezel Lock-Out Kit (old) - UHXLOK1930
Control Bezel Lock-Out Kit (New) - UHXL0K1931
Indoor Vent Adapter Kit, H150FD, Negative-Pressure (Vertical) - UHXNEGVT11501
Indoor Vent Adapter Kit, H200FD, Negative-Pressure (Vertical) - UHXNEGVT12001
Indoor Vent Adapter Kit, H250FD, Negative-Pressure (Vertical) - UHXNEGVT12501
Indoor Vent Adapter Kit, H300FD, Negative-Pressure (Vertical) - UHXNEGVT13001
Indoor Vent Adapter Kit, H350FD, Negative-Pressure (Vertical) - UHXNEGVT13501
Indoor Vent Adapter Kit, H400FD, Negative-Pressure (Vertical) - UHXNEGVT14001
Indoor Vent Adapter Kit, H500FD, Negative-Pressure (Vertical) - UHXNEGVT15001
Indoor Vent Adapter Kit, H150FD, Positive-Pressure (Horizontal) - UHXPOSHZ11502
Indoor Vent Adapter Kit, H200FD, Positive-Pressure (Horizontal) - UHXPOSHZ12001