
Residential Expansion Tanks
Boiler Trim Kit with SuperVent
Product Number
TK30PV100FM SuperVent: 1 in.
TK30PV100FMNC/U SuperVent: 1 in.
TK30PV100SFM/U SuperVent: 1 in.
TK30PV125FM/U SuperVent: 1 1/4 in.
TK30PV125SFM/U SuperVent: 1 1/4 in.
TK60PV100SFMNC/U SuperVent: 1 1/4 in.
TK60PV125FMNC/U SuperVent: 1 1/4 in.
TK60PV125SFMNC/U SuperVent: 1 1/4 in.
Connection Size 
(inch) Connection Type
Tank: 1/2 in.
Tank: 1/2 in.
Tank: 1/2 in.
Tank: 1/2 in.
Tank: 1/2 in.
Tank: 1/2 in.
Tank: 1/2 in.
Tank: 1/2 in.
SuperVent: Female NPT 
Tank: Male NPT
SuperVent: Female NPT 
Tank: Male NPT
SuperVent: Sweat 
Tank: Male NPT
SuperVent: Female NPT 
Tank: Male NPT
SuperVent: Sweat 
Tank: Male NPT
SuperVent: Female NPT 
Tank: Male NPT
SuperVent: Female NPT 
Tank: Male NPT
SuperVent: Sweat 
Tank: Male NPT
Honeywell TK Series Combo Boiler Trim kits are a quick and 
convenient way to purchase the key “boiler trim” used by installers 
when performing a boiler change out. All Combo Trim Kits with 
SuperVent include expansion tank and SuperVent high 
performance air eliminator; selected models also include FM911 
combination boiler fill valve / backflow preventer and/or service 
check valves for in-line servicing of the expansion tank.
Maximum Operating Temperature: 240 F (115 C)  
Maximum Operating Pressure: 100 psi (689 kPA)  
Diameter: 11 in. (279 mm)
Maximum 
Height Volume
Acceptance 
Volume Weight
Includesinch mm gal L gal L lb kg
15 1/2 in. 394 mm 4.4 gal 16.7 L 2.5 gal 9.5 L 16 lb 7.3 kg TK300-30, 
15 1/2 in. 394 mm 4.4 gal 16.7 L 2.5 gal 9.5 L 16 lb 7.3 kg TK300-30, 
15 1/2 in. 394 mm 4.4 gal 16.7 L 2.5 gal 9.5 L 16 lb 7.3 kg TK300-30, 
15 1/2 in. 394 mm 4.4 gal 16.7 L 2.5 gal 9.5 L 16.8 lb 7.6 kg TK300-30, 
15 1/2 in. 394 mm 4.4 gal 16.7 L 2.5 gal 9.5 L 16.8 lb 7.6 kg TK300-30, 
23 in. 584 mm 4.4 gal 16.7 L 2.5 gal 9.5 L 15.3 lb 6.9 kg TK300-60, 
23 in. 584 mm 7.6 gal 28.8 L 2.5 gal 9.5 L 17.5 lb 7.95 kgTK300-60, 
23 in. 584 mm 7.6 gal 28.8 L 2.5 gal 9.5 L 17.5 lb 7.95 kgTK300-60, 
PV100, SCV-050, 
FM911
PV100, FM911
PV100S, SCV050, FM911
PV125, SCV-050, 
FM911
PV125S, SCV050, FM911
PV100S, FM911
PV125, FM911
PV125S, FM911
Controls
Hydronic 
Boiler Trim Kit with Air Purger
Product Number
TK300-30A-1/U Tank: 1/2 in.; 
TK300-30A-1FM/U Tank: 1/2 in.; 
TK300-30A-2/U Tank: 1/2 in.
TK300-30A-2FM/U Tank: 1/2 in.
Connection Size 
(inch) Connection Type
Air Purger: 1 in.
Air Purger: 1 in.
Air Purger: 1 1/4 in.
Air Purger: 1 1/4 in.
Tank: Male NPT; 
Air Purger: Female NPT
Tank: Male NPT; 
Air Purger: Female NPT
Tank: Male NPT; 
Air Purger: Female NPT
Tank: Male NPT; 
Air Purger: Female NPT
Honeywell TK Series Boiler Trim kits are a quick and convenient 
way to purchase the key “boiler trim” used by installers when 
performing a boiler change out. All Trim Kits with Purgers include 
expansion tank, air purger and air vent; selected models also 
include FM911 combination boiler fill valve / backflow preventer 
and/or service check valves for in-line servicing of the expansion 
tank and air vent.
Maximum Operating Temperature: 240 F (115 C)  
Maximum Operating Pressure: 100 psi (689 kPA)  
Diameter: 11 in. (279 mm)
Height: 15 1/2 in. (394 mm)
Maximum 
Volume
Acceptance 
Volume Weight
Includesgal L gal L lb kg
4.4 gal 16.7 L 2.5 gal 9.5 L 13 lb 5.9 kg TK300-30, AP400, FV180, 
4.4 gal 16.7 L 2.5 gal 9.5 L 16.6 b 7.5 kg TK300-30, AP400, FV180, 
4.4 gal 16.7 L 2.5 gal 9.5 L 13 lb 5.9 kg TK300-30, AP401, FV180, 
4.4 gal 16.7 L 2.5 gal 9.5 L 16.6 b 7.5 kg TK300-30, AP401, FV180, 
SCV-0125, SCV-050
SCV-0125, SCV-050, FM911
SCV-0125, SCV-050
SCV-0125, SCV-050, FM911
70-6910 231