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72
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www.apollovalves.com
TP 18C400 SERIES
WATER HEATER T&P RELIEF VALVES
Feature unique non-metallic coating which protects the element against
galvanic and electromechanical corrosion by isolating it from the heated
water. This coating is electrostatically applied for uniform coverage, then
thermobonded, resulting in optimum adhesion for extended service life. CSA
design certied at all settings to ANSI Z21.22. ASME Section IV rated at 125
psig and 150 psig settings for 3/4” NPT only.
FEATURES
• Meets HUD/FHA requirements
• Cast bronze body, SS spring
• Rated 210°F maximum
• CRN #0G0053.6C Registered in all Canadian Provinces and Territories
• ASME capacity certied for 3/4” NPT only
• Made in USA
18C400
A
C
B
Series
Number
Size
(in.)
Element
Length (in.)
CSA Capacity
Rating
BTU/Hr.
Wt./100
(lbs.)
18C-401 1/2 M x 1/2 F 1.44 15,000 48.0
18C-401 1/2 M x 1/2 F 3.00 15,000 54.0
18C-402 3/4 M x 3/4 F 1.44 95,000 52.0
18C-402 3/4 M x 3/4 F 3.00 105,000 58.0
18C-402 3/4 M x 3/4 F 8.00 105,000 62.0
SUFFIX KEY
Pressure
psig
Coated Element Length
401 Series 402 Series
1.44” 3” 1.44” 3” 8”
125 -27 -29 -27 -29 -36
150 -28 -30 -28 -30 -37
175 - - - -24 -
A
S
M
E
HV
Special statement regarding T&P Valves and compliance to the
Lead Free requirements of the U.S. Safe Drinking Water Act.
Eective January 4th 2014 the SDWA requires that pipes, ttings or
xtures used to convey or dispense potable water must be lead free.
Further clarication has been provided by the EPA in a document
titled “Summary of the Reduction of Lead In Drinking Water Act and
frequently Asked Questions”. The latest document can be viewed on
our website: www.apollovalves.com/lead_free; click on the NEW EPA
FAQ link.
FAQ #6 states that water heaters are covered by the Act and must
comply. However most water heater OEM’s are certifying their
heaters as complete assemblies using non-Lead Free T&P valves due
to their relatively small wetted surface area.
FAQ #23 acknowledges this and states that replacement parts
(including T&P valves) need not be lead free as long as the entire
water heater with all installed components overall device would
meet the Lead Free requirements of the Act.
A
C
B
18C402X
EXTENDED SHANK
TPX 18C402X SERIES
EXTENDED SHANK WATER HEATER T&P RELIEF VALVES
Relief valves with an extended body length (2”) for protection of water heaters
with extra insulation. Unique non-metallic coating protects thermal element
against galvanic and electromechanical corrosion. CSA design certied at
all settings to ANSI Z21.22. ASME Section IV rated at 125 psig and 150 psig
settings.
FEATURES
• Meets HUD/FHA requirements
• Cast bronze body, SS spring
• Rated 210°F maximum
• CRN #0G0053.6C Registered in all Canadian Provinces and Territories
• ASME capacity certied
• Made in USA
Series
Number
Size
(in.)
Element
Length (in.)
Pressure
psig
CSA Capacity
Rating
BTU/Hr.
Wt./100
(lbs.)
18C-402X-39 3/4 M x 3/4 F 3 64.0 105,000 125
18C-402X-38 3/4 M x 3/4 F 3 64.0 105,000 150
A
S
M
E
HV
RELIEF VALVES
pressure & temperature