









Weil-McLain ECO Tec Condensing Boiler
Weil-McLain CGI Gas Boiler
Weil-McLain CGA Gas
Weil-McLain LGB Water/Steam Boiler
Weil-McLain WGO Oil Water Boiler
Weil-McLain Aqua Plus Tank
Lochinvar Boilers










Weil-McLain ECO Tec Condensing Boiler
Weil-McLain CGI Gas Boiler
Weil-McLain CGA Gas
Weil-McLain LGB Water/Steam Boiler
Weil-McLain WGO Oil Water Boiler
Weil-McLain Aqua Plus Tank
Lochinvar Boilers
Stainless steel fire-tube heat exchanger
Non-metallic heat exchanger base
Floor standing or wall-mount option with kit
Natural or LP gas
Negative regulated combustion
10 to 1 turndown ratio
Boiler circulator
Propane conversion kit
Low water cut-off
Sentinel X100 inhibitor and test kit
Low NOx < 20 PPM
Control Features
Easy installation with Setup Wizard Zone and/or priority based control
Three thermostat Inputs
Outdoor reset for each priority
Rate adjustable per priority
0-10V input (modulation or setpoint)
Four total outputs - 1 dedicated boiler circulator output - 3 additional outputs can be used with circulators, dampers, or system aux
Aux inputs – flow switch or end switch
Aux outputs – system pump or damper
Modbus® connectivity
Additional heat demand contact
Optional Equipment
Wall-mount kit
Concentric vent kit
Condensate neutralizer kit
Sidewall vent/air termination kit
Maintenance Kits
Stainless steel fire-tube heat exchanger
Non-metallic heat exchanger base
Floor standing or wall-mount option with kit
Natural or LP gas
Negative regulated combustion
10 to 1 turndown ratio
Boiler circulator
Propane conversion kit
Low water cut-off
Sentinel X100 inhibitor and test kit
Low NOx < 20 PPM
Easy installation with Setup Wizard
Zone and/or priority based control
Three thermostat Inputs
Outdoor reset for each priority
Rate adjustable per priority
0-10V input (modulation or setpoint)
Four total outputs - 1 dedicated boiler circulator output - 3 additional outputs can be used with circulators, dampers, or system aux
Aux inputs – flow switch or end switch
Aux outputs – system pump or damper
Modbus® connectivity
Additional heat demand contact
Wall-mount kit
Concentric vent kit
Condensate neutralizer kit
Sidewall vent/air termination kit
Maintenance Kits
Boiler
Stainless steel fire-tube heat exchanger
Non-metallic heat exchanger base
Floor standing or wall-mount option with kit
Natural or LP gas
Negative regulated combustion 10 to 1 turndown ratio
Boiler circulator
Propane conversion kit
Low water cut-off
Sentinel X100 inhibitor and test kit
Low NOx < 20 PPM
Control Features
Easy installation with Setup Wizard Zone and/or priority based control Three thermostat Inputs
Outdoor reset for each priority Rate adjustable per priority 0-10V input (modulation or setpoint)
Four total outputs - 1 dedicated boiler circulator output - 3 additional outputs can be used with circulators, dampers, or system aux Aux inputs – flow switch or end switch
Aux outputs – system pump or damper
Modbus® connectivity
Additional heat demand contact
Factory Tested
Cast Iron Sections
Built-in Air Separator
30 PSI ASME Reief Valve
Drain Valve
Stainless Steel Burners
Air Pressure Switch
Blower Assembly
Thermal Fuse Element
High Limit Temp Control
Comb. Gas Valve & Regulator
40 VA Transformer
Comb. T&P Guage
Wiring Harness
Integrated Control Module
Circulator (when ordered)
Insulated Extended Jacket
Two-Piece Top Jacket
Electrical Junction Box
Radiation Plates
Flue Gas Collector
Assembly
Atmospheric Gas Packaged Boiler Water (38-233 MBH)
Supply Tapping
Factory Tested
Cast Iron Sections
Buile-in Air Separator
30 PSI ASME Relief Valve
Drain Valve
Stainless Steel Burners
Non-Linting Pilot Burner
Automatic Vent Damper
Thermal Fuse Element
High Limit Temp. Control
PIDN - Integrated Control Module
PIDN - 40 VA Transformer
PIDN - Plug-in Connectores
Comb. T&P Guage
Wiring Harness
Spill Switch
Circulator (when ordered)
Insulated Extended Jacket
Two-Piece Top Jacket Panel
Electrical Junction Box
Radiation Plates
Vertical Draft Hood
Standard Equipment
- Intermittent Electronic Ignition
Atmospheric Gas Boiler Water (282 - 2014 MBH) Steam (243 - 1799; 1013 - 7496 Sq.Ft.) Series 2 C.S.A. Gross Output MBH
Aluminized Steel Base Panels, Hi-Temp Steam Boilers Insulation Board Panels
Pressure Control
→Wiring Harness-Junction Box & Pre Wired Flex. Conduit →High Limit Pressure Control
→Internittent Electronic Ignition System - LGB 4&5
→Compound Pressure-Vacuum
Required - low-high-low firing: LGB-6 thru 12
Fired Packaged Boiler Water (112-168 MBH) Series 4 WGO Boilers - Oil-Fired Water Boiler - No Burner
Beckett Oil Burner - GO-3
Beckett Oil Burner - GO-4
Beckett Oil Burner - GO-5
Dimensions WGO-3 WGO-4 WGO-5
Supply Tapping 1-1/2 in. 1-1/2 in. 1-1/2 in.
Return Tapping 1-1/2 in. 1-1/2 in. 1-1/2 in. "B" Dimensions 13-1/2 in. 16-5/8 in. 19-7/8 in. "L" Dimensions 16-7/8 in. 20 in. 22-1/8 in.
x 24-1/8 x 32-1/8
x 24-1/8 x 32-1/8
Knight Floor Mount Condensing Gas Boiler Water (85-285 MBH)
Part
Knight Boilers
LOC-KHB085N Knight KHB085 Boiler (085 MBH) 4,197 $
LOC-KHB110N Knight KHB110 Boiler (110 MBH) 4,356 $
LOC-KHB155N Knight KHB155 Boiler (155 MBH) 5,229 $
LOC-KHB199N Knight KHB199 Boiler (199 MBH) 6,241 $
LOC-KHB285N Knight KHB285 Boiler (285 MBH) 8,615 $
Knight Wall Mount Condensing Gas Boiler Water (199-399 MBH)
LOC-WHB199N Knight WHB199 Boiler (199 MBH) 6,241
LOC-WHB-285N Knight WHB285 Boiler (285 MBH) 8,615 $
LOC-WHB-399N Knight WHB399 Boiler (399 MBH) 11,349 $
AMT-15
AMT-30
AMT-60
AMT-90
AMT-SX30V
AMT-SX40V
AMT-SX60V
AMT-SX90V
AMT-SX110V
#15 EXPANSION TANK
#30 EXPANSION TANK
#60 EXPANSION TANK
#90 EXPANSION TANK
#SX-30V EXPANSION TANK
#SX-40V EXPANSION TANK
#SX-60V EXPANSION TANK
#SX-90V EXPANSION TANK
#SX-110V EXPANSION TANK
AMT-109P
AMT-110P
AMT-111P
AMT-109
AMT-110
AMT-111
#109 FILL-TROL TANK 1-1/4" Purger
#110 FILL-TROL TANK 1-1/4" Purger
#111 FILL-TROL TANK 1-1/4" Purger
#109 FILL-TROL TANK
#110 FILL-TROL TANK
#111 FILL-TROL TANK
Model Number
Description
GR-UPSe15-58F UPSe15-58F ECM Circulator
GR-UPS15-58FC UPS15-58FC 3-Speed Circulator
GR-UPS26-99FC UPS26-99FC 1/6 HP 3-Speed Circ
GR-UPS26-150F UPS26-150F 1/2 HP 3-Speed Circ
GR-UPS43-100F UPS43-100F 3-Speed Circulator
GR-UPS50-60F UPS50-60F 1/2 HP 3-Speed Circ
GR-519601 3/4" NPT Companion Flange
GR-519602 1" NPT Companion Flange
1-1/4" NPT Companion Flange
GR-519604 1-1/2" NPT Companion Flange
GR-96806130 3/4" NPT ISO Flange w/ Handle
GR-96806131 1" NPT ISO Flange w/ Handle GR-96806132 1-1/4" NPT ISO Flange w/ Handle
GR-96806133 1-1/2" NPT ISO Flange w/ Handle
GR-539605 1-1/2" NPT UP40/43 Flange Set
GR-96409354 2" NPT 4 Bolt Flange Set GF-50
BG-103251 NRF22 Red Fox Circulator
BG-103350 NRF33 Red Fox Circulator
BG-106189 100NFI Circulator
BG-102214 2NFI Booster Pump
BG-102210 HVNFI Booster Pump
BG-1BL012 PL30 Booster Pump
BG-1BL001 PL36 Booster Pump
BG-1BL032 PL55 Booster Pump
BG-1BL034 PL75 Booster Pump
BG-1BL063 PL130 Booster Pump
BG-107035
BG-107020
BG-107021
TEK-072
TEK-076
TEK-079
518 Radiant Thermostat, 1 Stage Heat
519 Radiant Thermostat, 1 Stage Heat w/079 Sen
561 WiFi Thermostat, 1 Stage Heat
562 WiFi Thermostat, 2 H, 1 C, Fan
256 Outdoor Reset Control
279 Steam Control, One Stage, WWSD
260 Boiler Control, One Stage, Pump & DHW
261 Boiler Control, Two Stage (On/Off Boiler)
294 Smart Boiler Control, 4 Boilers, WiFi 294-EXP Smart Boiler Expansion, 4 Boilers
654 Snow Melt Control, tekmarNet
670 Snow Melt Control, WiFi, Mobile App 671 Snow Melt Control, WiFi, PWM
680 Snow Melt Control, BACnet, Modbus
681 Snow/Ice Interface, BACnet MS/TP
090 Snow/Ice Sensor (65' Cable)
094 Snow/Ice Sensor (208' Cable)
095 Snow Sensor, Ariel Mounting 091 Snow/Ice Socket
096 Leveling Shim Kit for 090 & 094 Sensors
Accessories
009K 24V(AC) Transformer, 40VA, w/ Box
013 24V(AC) Transformer, 96VA, w/ Box
071 Universal Sensor 1' (Stainless)
072 Slab Sensor, 20' Wire
076 Indoor Sensor
079 Slab Sensor, 10' Wire
1/2" #17C 25# ANGLE TRAP
1/2" #17CS 25# SWIVEL TRAP
1/2" #17CV 25# VERTICAL TRAP
3/4" #17C 25# ANGLE TRAP
3/4" #FT015H 15# F&T TRAP
1" #FT015H 15# F&T TRAP
1-1/4" #FT015H 15# F&T TRAP
1-1/2" #FT015H 15# F&T TRAP
2" #FT015H 15# F&T TRAP
3/4" #FT015I 15# F&T TRAP, INLINE
1/2" #B1030S 30# BUCKET TRAP W/STRAINER
3/4" #B1030S 30# BUCKET TRAP W/STRAINER
1/2" #B1075S 75# BUCKET TRAP W/STRAINER
3/4" #B1075S 75# BUCKET TRAP W/STRAINER
1/2" #B1125S 125# BUCKET TRAP W/STRAINER
3/4" #B1125S 125# BUCKET TRAP W/STRAINER
#62 VACUUM BREAKER #75 MAIN AIR VENT #40 RADIATOR AIR VENT #1A RADIATOR AIR VENT, ADJUSTABLE #41 CONVECTOR AIR VENT
#150S LWCO & PUMP CONTROL
#61 LWCO
#63 LWCO
#67 LWCO
#6667 REPL. HEAD MECH.
#63-HD Head Mechanism
#150S REPLACEMENT HEAD MECH.
#RB-122E PROBE LWCO 120V
#RB-24E PROBE LWCO 24V
#47-2 Water Feader/LWCO #47 FLOAT FEEDER
WF-2-U-24 Water Feeder 24V
WF-2-U-120 Water Feeder 120V
MM-114400
#2 SWITCH
#67-12 Gasket
#CO-11 Gasket
#CO-12 HEAD GASKET
#37-27 Gasket
#14-B BLOWDOWN VALVE
#37-39 Gasket
#FS4-3 FLOW SWITCH SPDT
3/4" FNPT Discal Air Eliminator 1" FNPT Discal Air Eliminator 1-1/4" FNPT Discal Air Eliminator 1-1/2" FNPT Discal Air Eliminator 2" FNPT Discal Air Eliminator
573 1/2" Backflow Preventer w/ Vent
573 1/2" Autofill Combo Fill Valve w/ Backflow 574 3/4" Autofill Combo Fill Valve w/ Backflow 573 3/4" Backflow Preventer w/ Vent
1" FNPT Hydro Separator / Union Connections 1-1/4" FNPT Hydro Separator / Union Conn
1-1/2" FNPT Hydro Separator / Union Conn 2" FNPT Hydro Separator / Union Connections
ZSR Single Zone Pump Control
ZSR Three Zone Pump Control
ZSR Four Zone Pump Control
ZSR Six Zone Pump Control
ZVR Three Zone Valve Control
ZVR Four Zone Valve Control
Water Natural Gas (160 - 199MBH)
21" Universal Non-Condensing Termination Kit
Degree Elbow (Single)
Degree Elbow (2 Pack)
Discharge Termination (18" Above Roof Line)
Commercial SE+ Tankless Water Heater
Water Natural Gas (199MBH)
Ratings
Min. Gas Consumption
Max. Gas Consumption
Flow Rate
DATA
Vent/Air Size Twin Pipe
Vent Length
Vent Concentric
Vent Length
Approx. Ship Weight
Demand Duo Series
Part No. Description - (Input)
Demand Duo Series
Demand Duo 119 Gallon Water Heater (315 GPH)
Demand Duo 119 Gallon Water Heater (315 GPH)
Ratings
Min. Gas Consumption
Max. Gas Consumption
First Hour Delivery (100⁰ Rise)
DATA
Vent/Air Size Twin Pipe
Vent Length
Vent Concentric
Vent Length
Approx. Ship Weight
Cold and Hot Water Tapping
Gas Connection Size
Dimensions W x H x D
CHS199100CUIN 15,000 BTUH
STER-04124-GFX 30 Gallon Boiler Feed
STER-04128-GFX 60 Gallon Boiler Feed
STER-41215-GFX 95 Gallon Boiler Feed
STER-6050001508 1/3 HP Pump
STER-6050002508 1/2 HP Pump
HTA-55RB-750A2 2' Enclosure & Element Complete
HTA-55RB-750A2 3' Enclosure & Element Complete
HTA-55RB-750A2 4' Enclosure & Element Complete
HTA-55RB-750A2 5' Enclosure & Element Complete
HTA-55RB-750A2 6' Enclosure & Element Complete
HTA-55RB-750A2 7' Enclosure & Element Complete
HTA-55RB-750A2 8' Enclosure & Element Complete
HTR-55RA-ECR-03 Right Hand End Cap 3"
HTR-55RA-ECL-03 Left Hand End Cap 3"
HTR-55RA-VER-04 Right Hand Cap Hinged 4"
HTR-55RA-VEL-04 Left Hand End Cap Hinged 4"
HTR-55RB-ICF-90 Inside Corner 90 Degree Hinged
HTR-55RA-ICB-90 Inside Corner 90 Degree Back Piece
HTR-55RA-OCF-90 Outside Corner 90 Degree