diff --git a/test/tests/components/coaxial_pipe/energy_balance.i b/test/tests/components/coaxial_pipe/energy_balance.i
index 5802ada..5fe441d 100644
--- a/test/tests/components/coaxial_pipe/energy_balance.i
+++ b/test/tests/components/coaxial_pipe/energy_balance.i
@@ -61,7 +61,7 @@ qw = 1e4
   [coaxial]
     type = CoaxialPipe1Phase
     length = ${L}
-    n_elems = 100
+    n_elems = 20
     orientation = '1 0 0'
     position = '0 0 0'
     shell_inner_radius = 0.075
diff --git a/test/tests/components/coaxial_pipe/energy_balance_inner.i b/test/tests/components/coaxial_pipe/energy_balance_inner.i
index caed60c..ae55d12 100644
--- a/test/tests/components/coaxial_pipe/energy_balance_inner.i
+++ b/test/tests/components/coaxial_pipe/energy_balance_inner.i
@@ -62,7 +62,7 @@ qw = 1e4
   [coaxial]
     type = CoaxialPipe1Phase
     length = ${L}
-    n_elems = 100
+    n_elems = 20
     orientation = '1 0 0'
     position = '0 0 0'
     shell_inner_radius = 0.075
diff --git a/test/tests/components/coaxial_pipe/energy_balance_outer.i b/test/tests/components/coaxial_pipe/energy_balance_outer.i
index 17b2a51..ebf5539 100644
--- a/test/tests/components/coaxial_pipe/energy_balance_outer.i
+++ b/test/tests/components/coaxial_pipe/energy_balance_outer.i
@@ -62,7 +62,7 @@ qw = 1e4
   [coaxial]
     type = CoaxialPipe1Phase
     length = ${L}
-    n_elems = 100
+    n_elems = 20
     orientation = '1 0 0'
     position = '0 0 0'
     shell_inner_radius = 0.075
diff --git a/test/tests/components/coaxial_pipe/test.py b/test/tests/components/coaxial_pipe/test.py
index 2f79ee8..65ba671 100644
--- a/test/tests/components/coaxial_pipe/test.py
+++ b/test/tests/components/coaxial_pipe/test.py
@@ -27,7 +27,7 @@ def test_energy_balance(self):
         total_energy = m_dot*cp*(delta_t_inner + delta_t_outer)
 
         rel_diff = abs(total_energy - q)/q
-        assert rel_diff < 0.00025, f"Rel. energy difference greater than 0.00025: {rel_diff}"
+        assert rel_diff < 0.00028, f"Rel. energy difference greater than 0.00025: {rel_diff}"
 
     def test_energy_balance_inner(self):
         """Compares energy increase in the inner pipe to heat flux input on shell exterior."""
@@ -73,4 +73,4 @@ def test_energy_balance_outer(self):
         total_energy = m_dot*cp*delta_t_outer
 
         rel_diff = abs(total_energy - q)/q
-        assert rel_diff < 0.00046, f"Rel. energy difference greater than 0.00046: {rel_diff}"
+        assert rel_diff < 0.00048, f"Rel. energy difference greater than 0.00046: {rel_diff}"
diff --git a/test/tests/components/coaxial_pipe/tests b/test/tests/components/coaxial_pipe/tests
index 1c3b3c9..f6b8225 100644
--- a/test/tests/components/coaxial_pipe/tests
+++ b/test/tests/components/coaxial_pipe/tests
@@ -2,8 +2,6 @@
   [fp_err]
     type = RunException
     input = energy_balance.i
-    min_parallel = 4
-    max_parallel = 4
     requirement = "Checks that copyParamFromParamWithGlobal works properly"
     expect_err = "Either inner_fp or fp must be set"
   []
@@ -11,8 +9,6 @@
     [run]
       type = RunApp
       input = energy_balance.i
-      min_parallel = 4
-      max_parallel = 4
       requirement = "Checks energy balance for the coaxial pipe"
       cli_args = "GlobalParams/fp=fluid"
     []
@@ -27,8 +23,8 @@
     [run]
       type = RunApp
       input = energy_balance_inner.i
-      min_parallel = 4
-      max_parallel = 4
+      min_parallel = 2
+      max_parallel = 2
       heavy=true
       max_time = 7200
     []
@@ -36,6 +32,7 @@
       type= PythonUnitTest
       input = test.py
       test_case = TestCoaxialPipe.test_energy_balance_outer
+      heavy=true
       prereq = energy_balance_inner/run
     []
     requirement = "Checks that inner pipe conserved energy in isolation"
@@ -44,8 +41,6 @@
     [run]
       type = RunApp
       input = energy_balance_outer.i
-      min_parallel = 4
-      max_parallel = 4
     []
     [test]
       type= PythonUnitTest
@@ -55,4 +50,4 @@
     []
     requirement = "Checks that outer pipe conserved energy in isolation"
   []
-[]
\ No newline at end of file
+[]